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The hippopotamus (Hippopotamus amphibius) (/ ˌ h ɪ p ə ˈ p ɒ t ə m ə s /; pl.: hippopotamuses; often shortened to hippo (pl.: hippos), further qualified as the common hippopotamus, Nile hippopotamus and river hippopotamus, is a large semiaquatic mammal native to sub-Saharan Africa.
The legs, feet, and talons are large and powerful. Tarsal length is 54–80 mm (2.1–3.1 in). [ 12 ] The average foot span of a fully spread foot, from talon to talon, is around 20 cm (7.9 in), as compared to 8 cm (3.1 in) in long-eared owls , 13 to 15 cm (5.1 to 5.9 in) in barn owls , and 18 cm (7.1 in) in the great grey owl .
Cryptobranchids are large and predominantly nocturnal salamanders that can reach a length of 1.8 m (5.9 ft), though most are considerably smaller today. [1] Despite being aquatic, they are poor swimmers and mostly just walk on the bottom. Swimming by undulatory locomotion is generally used just for short distance-escapes to hiding places.
The Chinese giant salamander (Andrias davidianus) is one of the largest salamanders and one of the largest amphibians in the world. [4] It is fully aquatic, and is endemic to rocky mountain streams and lakes in the Yangtze river basin of central China. It has also been introduced to Kyoto Prefecture in Japan, and possibly to Taiwan.
The feet are broad with short digits, usually four on the front feet and five on the rear. Salamanders do not have claws, and the shape of the foot varies according to the animal's habitat. Climbing species have elongated, square-tipped toes, while rock-dwellers have larger feet with short, blunt toes.
The world’s frogs, salamanders, newts and other amphibians remain in serious trouble. A new global assessment has found that 41% of amphibian species that scientists have studied are threatened ...
The largest of the Old World monkeys is the mandrill (Mandrillus sphinx) with large males being up to 50 kg (110 lb), 90 cm (3.0 ft) long and 50 cm (20 in) at the shoulders. [106] The prehistoric baboon Dinopithecus grew even larger than modern mandrills, weighing as much as a grown man.
It is worth mentioning that unlike the upper weight of mammals, birds or fish, mass in reptiles is frequently poorly documented, thus subject to conjecture and estimation. [1] The saltwater crocodile is considered to be the largest extant reptile, verified at up to 6.32 m (20.7 ft) in length and around 1,000–1,500 kg (2,200–3,300 lb) in ...