Mammals | Mammalia

Mammals are a warm-blooded vertebrate class, Mammalia, and are found on every continent and in the oceans. Mammals are distinguished by the female mammary glands used to feed their young, having hair or fur, three middle ear bones, and a hinged jaw. Mammals diverged from reptiles and birds in the late Triassic, a fact which is known from studying the bones and skulls of Mammalian ancestors to see that the jaws of prehistoric reptiles became the ear bones of mammals today. One of the most adaptable animal classes on the planet, mammals utilize every possible form of transportation (walk, crawl, burrow, swim, climb, etc.) and may live solitarily or in groups for protection depending on the species.

When did mammals first appear?

Mammals first appeared during the Triassic period which was about 252 million to 201 million years ago and were members of the reptilian order Therapsida. This order had a subclass, Synapsida which are sometimes referred to as mammal-like reptiles. They were part of the Carboniferous period and are considered one of the earliest reptilian groups.

Which mammal species lay eggs?

The only 2 mammal species that lay eggs are the duck-billed platypus and the echidna, also known as the spiny anteater. The reasons these 2 mammals still lay eggs may be due to their distant ancestors as well as other primitive traits like their reptile-like shoulders.

What are the most common mammal species?

The most common mammal species are humans as it is the most numerous species of mammal on Earth. As of 2022, the human population reached 7.9 billion. Human beings are the only species that are close to exceeding the number of members of the brown rat and the house mouse.

Mammals Guides
Browse through our curated Mammals Guides for additional categorizations, tips, details, variations, styles, and histories of Mammals. Guides provide additional insights into the unique properties and shared relationships between elements.
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Aardvark
267700
23.6”-29.9” | 60-76 cm
11”-13.4” | 28-34 cm
41.3”-51.2” | 105-130 cm (Body)
88-176 lb | 40-80 kg
15-30 years
Aardvark
76.000
34.000
130.000
80.000
30.00
267700
3D
Aardvark
16”-20” | 41-51 cm (Shoulder)
5.9”-7.9” | 15-20 cm
21.6”-31.5” | 55-80 cm
18-26.5 lb | 8-12 kg
8-14 years
Aardwolf
51.000
20.000
80.000
12.000
14.00
37000
3D
Aardwolf
8”-10" | 20-25 cm
12”-16” | 30-41 cm
8-12 lb | 3.6-5.4 kg
9-13 years
Abyssinian Cat
25.000
41.000
5.400
13.00
41000
3D
Abyssinian Cat
Addax
329400
35.4”-39.4” | 90-100 cm
12.6”-14.2” | 32-36 cm
45.3”-51.2” | 115-130 cm
132-298 lb | 60-135 kg
19-25 years
Addax
100.000
36.000
130.000
135.000
25.00
329400
3D
Addax
Affenpinscher
Guide-2-F
Guide-1-A
31000
13”-16” | 33-41 cm
12”-15” | 30-38 cm
6-13 lb | 3-6 kg
11-14 years
Affenpinscher
41.000
38.000
6.000
14.00
31000
3D
Affenpinscher
Afghan Hound
Guide-2-B
Guide-1-D
60000
33”-37” | 84-94 cm
32”-36” | 81-91 cm
57-75 lb | 26-34 kg
10-14 years
Afghan Hound
94.000
91.000
34.000
14.00
60000
3D
Afghan Hound
8.5’-13’ | 2.6-4 m
4.27’-6.89’ | 1.3-2.1 m
10’-16.5’ | 3-5 m
5,500-15,400 lb | 2,500-7,000 kg
60-75 years
African Bush Elephant
400.000
210.000
500.000
7000.000
75.00
42900
3D
African Bush Elephant
15.75”-20.5” | 40-52 cm
7.5”-9.8” | 19-25 cm
26.4”-35” | 67-89 cm (Body)
15.4-44.1 lb | 7-20 kg
15-28 years
African Civet
52.000
25.000
89.000
20.000
28.00
10450
3D
African Civet
1.4”-2” | 3.5-5 cm
2.75”-3.9” | 7-10 cm
.6-1.2 oz | 18-34 g
4 years (wild); 5-6 years (captivity)
African Dormouse
5.000
10.000
0.034
6.00
70
3D
African Dormouse
5.92’-9.83’ | 1.8-3 m
2.82’-4.59’ | .86-1.4 m
7.22’-12.13’ | 2.2-3.7 m
8,818-13,889 lb | 4,000-6,300 kg
60-70 years
African Forest Elephant
300.000
140.000
370.000
6300.000
70.00
17400
3D
African Forest Elephant
44"-50" | 1.1-1.3 m
54"-78" | 1.4-2 m
270-420 lb | 120-190 kg
10-15 years (wild), 30 (captivity)
African Lion
130.000
200.000
190.000
15.00
449000
3D
African Lion
55.1”-65” | 140-165 cm
78.7”-92.5” | 200-235 cm
507-606 lb | 230-275 kg
25-40 years
African Wild Ass
165.000
235.000
275.000
40.00
4200
3D
African Wild Ass
34”-40” | 86-102 cm
28”-33” | 71-84 cm
20-60 lb | 9-27 kg
10-14 years (wild); up to 15-17 years (captivity)
Agile Wallaby
102.000
84.000
27.000
17.00
67000
3D
Agile Wallaby
Airedale Terrier
Guide-2-E
Guide-1-C
53000
27”-31” | 69-79 cm
30”-34” | 76-86 cm
40-65 lb | 18-29 kg
10-13 years
Airedale Terrier
79.000
86.000
29.000
13.00
53000
3D
Airedale Terrier
14-16 hands (56”-64” | 142-163 cm)
900-1000 lb | 408-454 kg
20 years (Typical)
Akhal-Teke
163.000
454.000
20.00
6900
3D
Akhal-Teke
Akita
Guide-2-G
Guide-1-E
226000
31”-36.5” | 79-93 cm
36.5”-43.5” | 93-110 cm
70-130 lb | 31.8-59 kg
10-13 years
Akita
93.000
110.000
59.000
13.00
226000
3D
Akita
Alaskan Husky
Guide-2-G
Guide-1-C
27000
31”-34” | 79-86 cm
34”-37” | 86-94 cm
40-60 lb | 18-27 kg
10-15 years
Alaskan Husky
86.000
94.000
27.000
15.00
27000
3D
Alaskan Husky
Alaskan Klee Kai
Guide-2-I
Guide-1-C
62000
20”-22” | 51-56 cm
21”-24” | 53-61 cm
16-22 lb | 7-10 kg
12-16 years
Alaskan Klee Kai
56.000
61.000
10.000
16.00
62000
3D
Alaskan Klee Kai
Alaskan Malamute
Guide-2-G
Guide-1-D
177000
29.5"-34.5" | 75-88 cm
35"-41.5" | 89-105 cm
75-85 lb | 34-39 kg
10-15 years
Alaskan Malamute
88.000
105.000
39.000
15.00
177000
3D
Alaskan Malamute
Alpaca
137000
39"-46" | 99-117 cm
48"-84" | 122-213 cm
45-68 lb | 100-175 kg
15-25 years
Alpaca
117.000
213.000
175.000
25.00
137000
3D
Alpaca
36.6”-45.7” | 93-116 cm
11.4”-14.2” | 29-36 cm
43.3”-53.1” | 110-135 cm
55-132 lb | 25-60 kg
14-22 years
Alpine Chamois
116.000
36.000
135.000
60.000
22.00
1350
3D
Alpine Chamois
36.2”-52” | 92-132 cm
13”-18.1” | 33-46 cm
47.2”-66.9” | 120-170 cm
88-265 lb | 40-120 kg
10-21 years
Alpine Ibex
132.000
46.000
170.000
120.000
21.00
9600
3D
Alpine Ibex
14”-19” | 37-48 cm
22”-29” | 56-74 cm
6.5’-8.5’ | 1.98-2.59 m
331-408 lb | 150-185 kg
25-30 years
Amazon River Dolphin
48.000
74.000
259.000
185.000
30.00
32200
3D
Amazon River Dolphin
1.6’-2’ | 50-62 cm
2.1’-2.7’ | 63-83 cm
8’-10’ | 2.4-3 m
573-1,058 lb | 260-480 kg
15-30 years
Amazonian Manatee
62.000
83.000
300.000
480.000
30.00
3900
3D
Amazonian Manatee
10.2”-12.6” | 26-32 cm
9.1”-11.4” | 23-29 cm
23.6”-30” | 60-76 cm
9-26.5 lb | 4-12 kg
9-25 years
American Badger
32.000
29.000
76.000
12.000
25.00
31000
3D
American Badger
63.8”-84.3” | 162-214 cm
30.7”-40.6” | 78-103 cm
86”-114” | 218-290 cm
900-2000 lb | 410-910 kg
12-20 years (wild); 20-40 years (captivity)
American Bison
214.000
103.000
290.000
910.000
40.00
36600
3D
American Bison
2’6”-3’5” | .75-1.05 m
4’-6’8” | 1.25-2.1 m
200-600 lb | 90-272 kg
20-25 years (wild); up to 45 years (captivity)
American Black Bear
105.000
210.000
272.000
45.00
10000
3D
American Black Bear
9”-10” | 23-25 cm
17”-19” | 43-48 cm
7-18 lb | 3.2-8.2 kg
13-15 years
American Bobtail Cat
25.000
48.000
8.200
15.00
19400
3D
American Bobtail Cat
American Bulldog
Guide-2-I
Guide-1-D
155000
28”-33” | 71-84 cm
31”-37” | 79-94 cm
60-120 lb | 27-54 kg
10-16 years
American Bulldog
84.000
94.000
54.000
16.00
155000
3D
American Bulldog
9”-12” | 23-30 cm
16”-21” | 41-53 cm
5-10 lb | 2.3-4.5 kg
12-16 years
American Curl Cat
30.000
53.000
4.500
16.00
21100
3D
American Curl Cat
American English Coonhound
Guide-2-B
Guide-1-C
6400
28”-35” | 71-89 cm
32”-40” | 81-102 cm
40-65 lb | 18-29 kg
10-12 years
American English Coonhound
89.000
102.000
29.000
12.00
6400
3D
American English Coonhound
American Eskimo Dog
Guide-2-C
Guide-1-B
40000
18”-22” | 46-56 cm
21”-26” | 53-66 cm
18-35 lb | 8-16 kg
12-15 years
American Eskimo Dog
56.000
66.000
16.000
15.00
40000
3D
American Eskimo Dog
American Foxhound
Guide-2-B
Guide-1-C
19000
27”-31” | 69-79 cm
28”-32” | 71-81 cm
45-75 lb | 20-34 kg
9-13 years
American Foxhound
79.000
81.000
34.000
13.00
19000
3D
American Foxhound
American Hairless Terrier
Guide-2-E
Guide-1-B
8100
17”-22” | 43-56 cm
18”-23” | 46-58 cm
7-16 lb | 3-7 kg
12-16 years
American Hairless Terrier
56.000
58.000
7.000
16.00
8100
3D
American Hairless Terrier
American Leopard Hound
Guide-2-I
Guide-1-C
7200
28”-36” | 71-91 cm
32”-40” | 81-102 cm
35-75 lb | 16-34 kg
10-15 years
American Leopard Hound
91.000
102.000
34.000
15.00
7200
3D
American Leopard Hound
6.7”-9.1” | 17-23 cm
3.5”-4.7” | 9-12 cm
12.6”-17.7” | 32-45 cm
.6-2.9 lb | .28-1.3 kg
11-18 years
American Marten
23.000
12.000
45.000
1.300
18.00
8600
3D
American Marten
5.3”-7.9” | 13.5-20 cm
3.9”-5.9” | 10-15 cm
12.2”-18.1” | 31-46 cm
3.1-5.1 lb | 1.4-2.3 kg
3-11 years
American Mink
20.000
15.000
46.000
2.300
11.00
14000
3D
American Mink
4.25”-4.75” | 10.8-12 cm
6”-9” | 15-23 cm
.25-.45 lb | 125-200 g
3-4 years (wild); up to 7 years (captivity)
American Pika
12.000
23.000
0.200
7.00
4900
3D
American Pika
8”-10” | 20-25 cm
12”-15” | 30-38 cm
10-15 lb | 4.5-6.8 kg
15-20 years
American Shorthair Cat
25.000
38.000
6.800
20.00
42000
3D
American Shorthair Cat
American Staffordshire Terrier
Guide-2-E
Guide-1-C
103000
22”-25” | 56-64 cm
28”-31” | 71-79 cm
40-70 lb | 18-32 kg
9-15 years
American Staffordshire Terrier
64.000
79.000
32.000
15.00
103000
3D
American Staffordshire Terrier
1.4”-1.75” | 3.6-4.4 cm
3”-3.9” | 7.5-10 cm
.42-.63 oz | 12-18 g
1-3 years
American Water Shrew
4.400
10.000
0.018
3.00
100
3D
American Water Shrew
American Water Spaniel
Guide-2-D
Guide-1-C
8800
20”-24” | 51-61 cm
21”-24” | 53-61 cm
25-45 lb | 11-20 kg
10-15 years
American Water Spaniel
61.000
61.000
20.000
15.00
8800
3D
American Water Spaniel
8”-10" | 20-25 cm
11”-13” | 28-33 cm
8-15 lb | 3.6-6.8 kg
10-16 years
American Wirehair Cat
25.000
33.000
6.800
16.00
14200
3D
American Wirehair Cat
Anatolian Shepherd Dog
Guide-2-G
Guide-1-E
3100
33”-40” | 84-102 cm
37”-44” | 94-112 cm
85-150 lb | 39-68 kg
10-15 years
Anatolian Shepherd Dog
102.000
112.000
68.000
15.00
3100
3D
Anatolian Shepherd Dog
93.7”-100.8” | 238-256 cm
46.9”-51.2” | 119-130 cm
113”-123” | 286-312 cm
3300-3500 lb | 1500-1590 kg
14-16 years
Ancient Bison
256.000
130.000
312.000
1590.000
16.00
1750
3D
Ancient Bison
14.75-15.5 hands (59”-62” | 150-158 cm)
900-1200 lb | 408-544 kg
25 years (Typical)
Andalusian Horse
158.000
544.000
25.00
19000
3D
Andalusian Horse
14-16 hands (56”-64” | 142-163 cm)
950-1250 lb | 431-567 kg
30 years (Typical)
Appaloosa Horse
163.000
567.000
30.00
17000
3D
Appaloosa Horse
Appenzeller Sennenhund
Guide-2-I
Guide-1-C
6000
24”-28" | 61-71 cm
32”-38” | 81-97 cm
45-70 lb | 20-32 kg
11-15 years
Appenzeller Sennenhund
71.000
97.000
32.000
15.00
6000
3D
Appenzeller Sennenhund
6.7”-7.9” | 17-20 cm
3.5”-4.3” | 9-11 cm
17.3”-19.7” | 44-50 cm (Body)
3.1-3.3 lb | 1.4-1.5 kg
9-20 years
Aquatic Genet
20.000
11.000
50.000
1.500
20.00
70
3D
Aquatic Genet
30.3”-41.3” | 77-105 cm
7.5”-10.2” | 19-26 cm
31.5”-43.3” | 80-110 cm
35-66 lb | 16-30 kg
8-15 years
Arabian Gazelle
105.000
26.000
110.000
30.000
15.00
2900
3D
Arabian Gazelle
14.25-15.25 hands (57”-61” | 145-155 cm)
800-1000 lb | 363-454 kg
25-30 years (Typical)
Arabian Horse
155.000
454.000
30.00
39000
3D
Arabian Horse
43.3”-66.9” | 110-170 cm
13.4”-21.3” | 34-54 cm
59”-92.5” | 150-235 cm
143-165 lb | 65-75 kg
15-21 years
Arabian Oryx
170.000
54.000
235.000
75.000
21.00
15450
3D
Arabian Oryx
10”-12” | 25-30 cm
18”-24” | 46-61 cm
7-17 lb | 3-7.7 kg
3-6 years (wild); up to 14-16 years (captivity)
Arctic Fox
30.000
61.000
7.700
16.00
114000
3D
Arctic Fox
25”-31” | 64-79 cm
38”-68” | 97-173 cm
70-155 lb | 32-70 kg
7-10 years (wild); up to 18 years (captivity)
Arctic Wolf
79.000
173.000
70.000
18.00
28000
3D
Arctic Wolf
Argali
12300
49.6”-72.8” | 126-185 cm
16.1”-22.4” | 41-57 cm
53.1”-78.7” | 135-200 cm
132-408 lb | 60-185 kg
7-13 years (wild); 10-17 years (captivity)
Argali
185.000
57.000
200.000
185.000
17.00
12300
3D
Argali
11.4”-13.8” | 29-35 cm
5.5”-6.9” | 14-17.5 cm
18.9”-23.2” | 48-59 cm (Body)
2.9-6.8 lb | 1.3-3.1 kg
15-25 years
Asian Palm Civet
35.000
17.500
59.000
3.100
25.00
13900
3D
Asian Palm Civet
2’5”-3’4” | .71-1.02 m
3’10”-6’6” | 1.2-2 m
90-440 lb | 41-200 kg
25-30 years (wild); up to 35 years (captivity)
Asiatic Black Bear
102.000
200.000
200.000
35.00
14000
3D
Asiatic Black Bear
30”-46” | 76-117 cm
4’7”-6’5” | 1.4-2 m
265-500 lb | 120-250 kg
12-18 years (wild); 18-20 years (captivity)
Asiatic Lion
117.000
200.000
250.000
20.00
7400
3D
Asiatic Lion
Auroch
32800
61.4”-74” | 156-188 cm
24.8”-28.7” | 63-73 cm
105”-128” | 267-325 cm
1550-3300 lb | 700-1500 kg
25-30 years
Auroch
188.000
73.000
325.000
1500.000
30.00
32800
3D
Auroch
Australian Cattle Dog
Guide-2-A
Guide-1-C
136000
21”-25” | 53-64 cm
28”-33” | 71-84 cm
31-35 lb | 14-16 kg
13-15 years
Australian Cattle Dog
64.000
84.000
16.000
15.00
136000
3D
Australian Cattle Dog
Australian Kelpie
Guide-2-I
Guide-1-C
58000
20”-25” | 51-64 cm
26”-33” | 66-84 cm
30-50 lb | 14-23 kg
10-14 years
Australian Kelpie
64.000
84.000
23.000
14.00
58000
3D
Australian Kelpie
Australian Shepherd
Guide-2-A
Guide-1-C
436000
25”-32” | 64-81 cm
28”-36” | 71-91 cm
35-70 lb | 16-32 kg
13-15 years
Australian Shepherd
81.000
91.000
32.000
15.00
436000
3D
Australian Shepherd
Australian Stumpy Tail Cattle Dog
Guide-2-I
Guide-1-C
5200
22”-25” | 56-64 cm
24”-29” | 61-74 cm
35-50 lb | 16-23 kg
12-15 years
Australian Stumpy Tail Cattle Dog
64.000
74.000
23.000
15.00
5200
3D
Australian Stumpy Tail Cattle Dog
Australian Terrier
Guide-2-E
Guide-1-B
18000
14”-15” | 36-38 cm
18”-20” | 46-51 cm
12-16 lb | 5-7 kg
12-15 years
Australian Terrier
38.000
51.000
7.000
15.00
18000
3D
Australian Terrier
Aye-Aye
11000
7.3”-9.4” | 18.5-24 cm (All Fours)
6.9”-9.1” | 17.5-23 cm
13”-17” | 33-43 cm
4.4-6 lb | 2-2.7 kg
20-23 years
Aye-Aye
24.000
23.000
43.000
2.700
23.00
11000
3D
Aye-Aye
Azawakh
Guide-2-B
Guide-1-D
7600
30”-37” | 76-94 cm
28”-35” | 71-89 cm
35-55 lb | 16-25 kg
10-15 years
Azawakh
94.000
89.000
25.000
15.00
7600
3D
Azawakh
7’ | 2.13 m
7.42'-11.5' | 2.25-3.5 m
990-1100 lb | 450-500 kg
20-40 years; 50 (wild)
Bactrian Camel
213.000
350.000
500.000
50.00
12000
3D
Bactrian Camel
Baiji
19800
11”-20” | 27-52 cm
13”-24” | 32-61 cm
4.5’-8.5’ | 1.37-2.59 m
287-375 lb | 130-170 kg
24-30 years
Baiji
52.000
61.000
259.000
170.000
30.00
19800
3D
Baiji
39.4”-51.2” | 100-130 cm
16.5”-22.4” | 42-57 cm
70.9”-98.4” | 180-250 cm
331-661 lb | 150-300 kg
20-30 years
Baird's Tapir
130.000
57.000
250.000
300.000
30.00
750
3D
Baird's Tapir
5.9”-9.1” | 15-23 cm (Shoulder)
2.75”-4.3” | 7-11 cm
12”-18” | 30.5-46 cm
3.3-5.5 lb | 1.5-2.5 kg
10-17 years
Banded Mongoose
23.000
11.000
46.000
2.500
17.00
2300
3D
Banded Mongoose
7.9”-11” | 20-28 cm
3.1”-4.3” | 8-11 cm
16.1”-22” | 41-56 cm (Body)
2.2-6.6 lb | 1-3 kg
11-16 years
Banded Palm Civet
28.000
11.000
56.000
3.000
16.00
1000
3D
Banded Palm Civet
Banteng
44700
55.5”-74” | 141-188 cm
22.8”-30.7” | 58-78 cm
89”-118” | 226-299 cm
1300-1764 lb | 590-800 kg
16-20 years (wild); 20-27 years (captivity)
Banteng
188.000
78.000
299.000
800.000
27.00
44700
3D
Banteng
3’11”-4’1” | 120-125 cm
4’-5’10” | 122-180 cm
375-617 lb | 170-280 kg
10-20 years
Barasingha
125.000
180.000
280.000
20.00
1400
3D
Barasingha
Barbado da Terceira
Guide-2-I
Guide-1-C
1000
24”-28" | 61-71 cm
28”-33” | 71-84 cm
45-60 lb | 20-27 kg
12-15 years
Barbado da Terceira
71.000
84.000
27.000
15.00
1000
3D
Barbado da Terceira
14.2”-22” | 36-56 cm
6.7”-10.6” | 17-27 cm
17.7”-27.6” | 45-70 cm
22-35 lb | 10-16 kg
20-25 years (wild); 25-30 years (captivity)
Barbary Macaque
56.000
27.000
70.000
16.000
30.00
3D
Barbary Macaque
36.2”-46.1” | 92-117 cm
11.8”-15.75” | 30-40 cm
51.2”-65” | 130-165 cm
88-309 lb | 40-140 kg
10-20 years
Barbary Sheep
117.000
40.000
165.000
140.000
20.00
5600
3D
Barbary Sheep
Barbet
Guide-2-D
Guide-1-C
4900
26”-33” | 66-84 cm
29”-36” | 74-91 cm
30-65 lb | 14-29 kg
12-15 years
Barbet
84.000
91.000
29.000
15.00
4900
3D
Barbet
Basenji
Guide-2-B
Guide-1-B
120000
19”-20” | 48-51 cm
23”-25” | 58-64 cm
20-26 lb | 9.1-11.8 kg
13-14 years
Basenji
51.000
64.000
11.800
14.00
120000
3D
Basenji
Basset Fauve de Bretagne
Guide-2-I
Guide-1-C
2400
18”-22” | 46-56 cm
23”-28” | 58-71 cm
25-40 lb | 11-18 kg
11-15 years
Basset Fauve de Bretagne
56.000
71.000
18.000
15.00
2400
3D
Basset Fauve de Bretagne
Basset Hound
Guide-2-B
Guide-1-C
128000
16”-21” | 41-53 cm
26”-35” | 66-89 cm
44-64 lb | 20-29 kg
10-12 years
Basset Hound
53.000
89.000
29.000
12.00
128000
3D
Basset Hound
12”-15” | 30-38 cm
18”-26” | 46-66 cm
7-12 lb | 3-5 kg
5-7 years (wild); up to 12-16 years (captivity)
Bat-Eared Fox
38.000
66.000
5.000
16.00
12300
3D
Bat-Eared Fox
Bavarian Mountain Scent Hound
Guide-2-I
Guide-1-C
150
23”-28” | 61-71 cm
28”-34” | 71-86 cm
45-60 lb | 20-27 kg
10-14 years
Bavarian Mountain Scent Hound
71.000
86.000
27.000
14.00
150
3D
Bavarian Mountain Scent Hound
2’2”-2’4” | 65-70 cm
4’-4’7” | 122-140 cm
110-132 lb | 50-60 kg
15-20 years
Bawean Deer
70.000
140.000
60.000
20.00
400
3D
Bawean Deer
Beagle
Guide-2-B
Guide-1-B
245000
18”-22” | 46-56 cm
20”-25” | 51-64 cm
20-24 lb | 9-11 kg
12-15 years
Beagle
56.000
64.000
11.000
15.00
245000
3D
Beagle
Bearded Collie
Guide-2-A
Guide-1-C
18000
26”-28” | 66-71 cm
32”-36” | 81-91 cm
40-60 lb | 18-27 kg
10-15 years
Bearded Collie
71.000
91.000
27.000
15.00
18000
3D
Bearded Collie
17.7”-21.25” | 45-54 cm
21.25”-23.6” | 54-60 cm
6.92’-8.83’ | 2.1-2.7 m
440-550 lb | 200-250 kg
20-31 years
Bearded Seal
54.000
60.000
270.000
250.000
31.00
4750
3D
Bearded Seal
Beauceron
Guide-2-A
Guide-1-D
27000
32”-36” | 81-91 cm
36”-42” | 91-107 cm
65-100 lb | 29-45 kg
9-12 years
Beauceron
91.000
107.000
45.000
12.00
27000
3D
Beauceron
Bedlington Terrier
Guide-2-E
Guide-1-B
26000
20”-24” | 51-61 cm
23”-27” | 58-69 cm
17-23 lb | 8-10 kg
12-16 years
Bedlington Terrier
61.000
69.000
10.000
16.00
26000
3D
Bedlington Terrier
Beira
16040
27.6”-35.4” | 70-90 cm
7.1”-9.1” | 18-23 cm
31.5”-39.4” | 80-100 cm
20-31 lb | 9-14 kg
10-14 years
Beira
90.000
23.000
100.000
14.000
14.00
16040
3D
Beira
Belgian Laekenois
Guide-2-A
Guide-1-D
5500
29”-34” | 74-86 cm
33”-38” | 84-97 cm
45-70 lb | 20-32 kg
10-14 years
Belgian Laekenois
86.000
97.000
32.000
14.00
5500
3D
Belgian Laekenois
Belgian Malinois
Guide-2-A
Guide-1-D
215000
28.5”-33” | 72-84 cm
34”-40” | 86-102 cm
40-80 lb | 18.1-36.3 kg
14-16 years
Belgian Malinois
84.000
102.000
36.300
16.00
215000
3D
Belgian Malinois
Belgian Sheepdog
Guide-2-A
Guide-1-D
10000
28”-32” | 71-81 cm
30”-35” | 76-89 cm
45-70 lb | 20-32 kg
10-14 years
Belgian Sheepdog
81.000
89.000
32.000
14.00
10000
3D
Belgian Sheepdog
Belgian Tervuren
Guide-2-A
Guide-1-D
21000
28”-33” | 71-84 cm
33”-38” | 84-97 cm
40-65 lb | 18-29 kg
10-14 years
Belgian Tervuren
84.000
97.000
29.000
14.00
21000
3D
Belgian Tervuren
2’8”-4’2” | 81-127 cm
35”-54” | 89-138 cm
13’-20’ | 4-6.1 m
2,000-3,000 lb | 910-1,360 kg
35-50 years
Beluga Whale
127.000
138.000
610.000
1360.000
50.00
224000
3D
Beluga Whale
8”-10" | 20-25 cm
14”-18” | 36-46 cm
8-15 lb | 3.6-6.8 kg
9-15 years
Bengal Cat
25.000
46.000
6.800
15.00
192000
3D
Bengal Cat
34”-45” | 86-114 cm
5’3”-6’5” | 160-196 cm
220-650 lb | 100-295 kg
8-10 years (wild); 18-25 years (captivity)
Bengal Tiger
114.000
196.000
295.000
25.00
45000
3D
Bengal Tiger
Bergamasco Sheepdog
Guide-2-A
Guide-1-C
5400
27”-31” | 69-79 cm
31”-35” | 79-89 cm
55-85 lb | 25-39 kg
13-15 years
Bergamasco Sheepdog
79.000
89.000
39.000
15.00
5400
3D
Bergamasco Sheepdog
Berger Picard
Guide-2-A
Guide-1-D
10000
28”-33” | 71-84 cm
33”-39” | 84-99 cm
50-70 lb | 23-32 kg
12-15 years
Berger Picard
84.000
99.000
32.000
15.00
10000
3D
Berger Picard
Bernese Mountain Dog
Guide-2-G
Guide-1-E
224000
30"-36" | 76-91 cm
35"-41.5" | 89-105 cm
70-115 lb | 32-52 kg
7-10 years
Bernese Mountain Dog
91.000
105.000
52.000
10.00
224000
3D
Bernese Mountain Dog
Bharal
7050
42.1”-60.2” | 107-153 cm
11.4”-18.1” | 29-46 cm
45.3”-65” | 115-165 cm
77-165 lb | 35-75 kg
12-21 years
Bharal
153.000
46.000
165.000
75.000
21.00
7050
3D
Bharal
Chesapeake Bay Retriever
Comparison diagram of the Chesapeake Bay Retriever dog breed in relation to the height of a typical person

The Chesapeake Bay Retriever is a dog breed that belongs to the Retriever, Gundog, and Sporting breed groups. Its name comes from its area of development in the Chesapeake Bay in the United States. Market hunters utilized the breed to retrieve waterfowl, to pull fishing nets, and to rescue fishermen. They are similar to the Labrador Retriever, but instead of the Labrador’s smooth coat, the Chesapeake Bay Retriever has a wavy coat. Other traits include yellow or amber eyes, small ears, and webbed toes for swimming. They are known to be happy, alert, and intelligent, making them a good family pet and hunting companion.

Chesapeake Bay Retrievers have a withers height between 21”-26” (53-66 cm) and a typical weight in the range of 55-80 lb (25-36 kg). The Chesapeake Bay Retriever has an overall body length of roughly 31”-37” (79-94 cm), standing height between 28”-34” (71-86 cm), and a typical lifespan of 10-13 years.

Seated and standing side and front elevation drawings of the Chesapeake Bay Retriever dog breed
The Chesapeake Bay Retriever is a dog breed that belongs to the Retriever, Gundog, and Sporting breed groups. Its name comes from its area of development in the Chesapeake Bay in the United States. Market hunters utilized the breed to retrieve waterfowl, to pull fishing nets and to rescue fishermen.

Chesapeake Bay Retrievers have a withers height between 21”-26” (53-66 cm) and a typical weight in the range of 55-80 lb (25-36 kg). The Chesapeake Bay Retriever has an overall body length of roughly 31”-37” (79-94 cm), standing height between 28”-34” (71-86 cm), and a typical lifespan of 10-13 years.

Seated and standing side and front elevation drawings of the Chesapeake Bay Retriever dog breed
Chesapeake Bay Retriever
Height:
28”-34” | 71-86 cm
Width:
Length:
31”-37” | 79-94 cm
Depth:
Withers Height
21”-26” | 53-66 cm
Weight:
55-80 lb | 25-36 kg
Area:

Withers Height (Male): 23”-26" | 58-66 cm

Withers Height (Female): 21”-24" | 53-61 cm

Breed Size
Scientific Name
Lifespan
10-13 years

Drawings include:

Chesapeake Bay Retriever side elevation (standing), front elevation (various), side (various)

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Domestic Sheep (Ovis aries)
Dimensioned comparison drawing of the Domestic Sheep compared to an average person

The origins of the Domestic Sheep (Ovis aries) can be traced to Central Asia or the Middle East. Currently, it is found and kept by human beings in many habitats. Among the many breeds of domestic sheep, males are usually larger than females. The sheep may have a large fat tail composed of fat reserves. Its snout is narrow and cleft vertical. It also has glands from which it produced its characteristic odor. The coat color can be milky white, black, or dark brown. Domestic sheep love to flock and have a herding instinct where one sheep leads and starts a behavior imitated by many. It can feed on grass, hay, or even oats.

Domestic Sheep have a standing shoulder height between 31.5”-47.2” (80-120 cm), overall body length from 47.2”-70.9” (120-180 cm), standing height of roughly 37”-54.3” (94-138 cm), and a body width of 17.3”-26” (44-66 cm). The weight of a Domestic Sheep is between 99-287 lb (45-130 kg). Domestic Sheep have a typical lifespan of 10-12 years in captivity.

Set of standing side and front elevation drawings of the Domestic Sheep
The origins of the Domestic Sheep (Ovis aries) can be traced to Central Asia or the Middle East. Currently, it is found and kept by human beings in many habitats. Among the many breeds of domestic sheep, males are usually larger than females. The sheep may have a large fat tail composed of fat.

Domestic Sheep have a standing shoulder height between 31.5”-47.2” (80-120 cm), overall body length from 47.2”-70.9” (120-180 cm), standing height of roughly 37”-54.3” (94-138 cm), and a body width of 17.3”-26” (44-66 cm). The weight of a Domestic Sheep is between 99-287 lb (45-130 kg). Domestic Sheep have a typical lifespan of 10-12 years in captivity.

Set of standing side and front elevation drawings of the Domestic Sheep
Domestic Sheep (Ovis aries)
Height:
37”-54.3” | 94-138 cm
Width:
17.3”-26” | 44-66 cm
Length:
47.2”-70.9” | 120-180 cm
Depth:
Shoulder Height
31.5”-47.2” | 80-120 cm
Weight:
99-287 lb | 45-130 kg
Area:
Scientific Name
Ovis aries
Lifespan
10-12 years (captivity)

Drawings include:

Domestic Sheep side elevation, front, back, lying down

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Durrell’s Vontsira (Salanoia durrelli)
Dimensioned comparison drawing of the Durrell’s Vontsira compared to simliar Herpestid species

The Durrell’s Vontsira (Salanoia durrelli) is a small Madagascan mammal that is closely related to the Brown-Tailed Mongoose. They live at Andreba, a marshy area on the eastern coast of Lac Alaotra. Physically, they are characterized by their broad feet with pads, long claws, red-buff underparts, and broad, robust teeth. As marsh-dwelling animals, the Durrell’s Vontsira feeds on crustaceans, mollusks, and small invertebrates. Although their conservation status has not been formally assessed, the Durrell’s Vontsira is likely to be threatened by habitat degradation and competition with the Black Rat and the Small Indian Civet.

The Durrell’s Vontsira has a body length in the range of 12”-13” (30.5-33 cm) and total weight of 1.3-1.5 lb (.6-.675 kg). Durrell’s Vontsiras have a shoulder height between 5.5”-5.9” (14-15 cm), body width of 2.75”-3.3” (7-8.5 cm), and tail length of 7.9”-8.3” (20-21 cm). The typical lifespan of the Durrell’s Vontsira is between 10-13 years.

Set of scaled elevation drawings of the Durrell’s Vontsira viewed from the front and side
The Durrell’s Vontsira (Salanoia durrelli) is a small Madagascan mammal that is closely related to the Brown-Tailed Mongoose. They live at Andreba, a marshy area on the eastern coast of Lac Alaotra. Physically, they are characterized by their broad feet with pads, long claws and red-buff underparts.

The Durrell’s Vontsira has a body length in the range of 12”-13” (30.5-33 cm) and total weight of 1.3-1.5 lb (.6-.675 kg). Durrell’s Vontsiras have a shoulder height between 5.5”-5.9” (14-15 cm), body width of 2.75”-3.3” (7-8.5 cm), and tail length of 7.9”-8.3” (20-21 cm). The typical lifespan of the Durrell’s Vontsira is between 10-13 years.

Set of scaled elevation drawings of the Durrell’s Vontsira viewed from the front and side
Durrell’s Vontsira (Salanoia durrelli)
Height:
5.5”-5.9” | 14-15 cm (Shoulder)
Width:
2.75”-3.3” | 7-8.5 cm
Length:
12”-13” | 30.5-33 cm
Depth:
Weight:
1.3-1.5 lb | .6-.675 kg
Area:

Tail Length: 7.9”-8.3” | 20-21 cm

Scientific Name
Salanoia durrelli
Lifespan
10-13 years

Drawings include:

Durrell’s Vontsira side elevation, front

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Black-Tailed Prairie Dog

The Black-Tailed Prairie Dog (Cynomys ludovicianus) is a rodent that lives grassland habitats of the Great Plains of North America. Habitat preferences are influenced by the type of vegetative covering, soil, slope, and rainfall, which aid in their foraging and burrowing activities.

They are different than other prairie dogs, as the Black-Tailed Prairie Dog does not hibernate, and they can be seen above ground in the middle of winter. The species in compactly built with small ears that are close to the head. They are a tan color with a lighter-colored belly, and the name, Black-Tailed Prairie Dog, references the tail which has a black tip.

Black-Tailed Prairie Dogs have a height of 5.9”-7.3” (15-18.5 cm), body length between 12”-16” (31-41 cm), and an overall weight in the range of 2-4 lb (.9-1.8 kg). The tail length of a Black-Tailed Prairie Dog is 3”-4” (7.6-10.2 cm). Black-Tailed Prairie Dogs have a typical lifespan of 3-5 years in the wild and 8-10 years in captivity.

Dimensioned collection of scaled drawings of the Black-Tailed Prairie Dog in various poses
The Black-Tailed Prairie Dog (Cynomys ludovicianus) is a rodent that lives grassland habitats of the Great Plains of North America. Habitat preferences are influenced by the type of vegetative covering, soil, slope, and rainfall, which aid in their foraging and burrowing activities.

Black-Tailed Prairie Dogs have a height of 5.9”-7.3” (15-18.5 cm), body length between 12”-16” (31-41 cm), and an overall weight in the range of 2-4 lb (.9-1.8 kg). The tail length of a Black-Tailed Prairie Dog is 3”-4” (7.6-10.2 cm). Black-Tailed Prairie Dogs have a typical lifespan of 3-5 years in the wild and 8-10 years in captivity.

Dimensioned collection of scaled drawings of the Black-Tailed Prairie Dog in various poses
Black-Tailed Prairie Dog
Height:
5.9”-7.3” | 15-18.5 cm
Width:
Length:
12”-16” | 31-41 cm
Depth:
Weight:
2-4 lb | .9-1.8 kg
Area:
Tail Length
3”-4” | 7.6-10.2 cm
Scientific Name
Cynomys ludovicianus
Lifespan
3-5 years (wild); 8-10 years (captivity)

Drawings include:

Black-Tailed Prairie Dog side elevation (standing), front (upright), side (upright)

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Roborovski Dwarf Hamster

The Roborovski Dwarf Hamster, whose scientific name is Phodopus roborovskii, is a small species of hamster measuring two to three inches long on average, with a portly body, short legs, and short tail. Dwarf Hamsters are omnivores with specific diets as a result of the region they inhabit and the season.

Due to its tiny size however, it will more often prey on insects rather than on smaller animals. The Roborovski Dwarf Hamster lives in burrows dug underground to protect itself, either occupying these shelters alone or in small groups depending on the species.

Roborovski Dwarf Hamsters have a height of 1.1”-1.9” (2.7-4.7 cm), body length between 2”-3” (4.5-7.6 cm), and an overall weight in the range of .7-1 oz (20-30 g). The tail length of a Roborovski Dwarf Hamster is .125” (3 mm). Roborovski Dwarf Hamsters have a typical lifespan of 2-3 years in the wild and 4-5 years in captivity.

Set of dimensioned elevation drawings of the Roborovski Dwarf Hamster
The Roborovski Dwarf Hamster, whose scientific name is Phodopus roborovskii, is a small species of hamster measuring two to three inches long on average, with a portly body, short legs, and short tail. Dwarf Hamsters are omnivores with specific diets as a result of their habitats and seasons.

Roborovski Dwarf Hamsters have a height of 1.1”-1.9” (2.7-4.7 cm), body length between 2”-3” (4.5-7.6 cm), and an overall weight in the range of .7-1 oz (20-30 g). The tail length of a Roborovski Dwarf Hamster is .125” (3 mm). Roborovski Dwarf Hamsters have a typical lifespan of 2-3 years in the wild and 4-5 years in captivity.

Set of dimensioned elevation drawings of the Roborovski Dwarf Hamster
Roborovski Dwarf Hamster
Height:
1.1”-1.9” | 2.7-4.7 cm
Width:
Length:
2”-3” | 4.5-7.6 cm
Depth:
Weight:
.7-1 oz | 20-30 g
Area:
Tail Length
.125” | 3 mm
Scientific Name
Phodopus roborovskii
Lifespan
2-3 years (wild); 4-5 years (captivity)

Drawings include:

Roborovski Dwarf Hamster side elevation (standing), front (standing)

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