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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 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. [107] The prehistoric baboon Dinopithecus grew even larger than modern mandrills, weighing as much as a grown man.
The blue whale is the largest mammal of all time, with the longest known specimen being 33 m (108.3 ft) long and the heaviest weighted specimen being 190 tonnes. [ 15 ] [ 60 ] [ 61 ] The extinct whale species Perucetus colossus was shorter than the blue whale, at 17.0–20.1 meters (55.8–65.9 ft) but it is estimated to have rivaled or ...
Amphibians, particularly frogs, are among the hardest hit by an extinction crisis, as are insects and reptiles. Frogs are dying off at record rates, an ominous sign the 6th mass extinction is ...
The temnospondyl Eryops had sturdy limbs to support its body on land Red-eyed tree frog (Agalychnis callidryas) with limbs and feet specialised for climbing Japanese giant salamander (Andrias japonicus), a primitive salamander The bright colours of the common reed frog (Hyperolius viridiflavus) are typical of a toxic species Wallace's flying frog (Rhacophorus nigropalmatus) can parachute to ...
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 ...
Umbilicaria mammulata is among the largest lichens in the world. The thallus of U. mammulata is usually 4 to 15 cm (1.6 to 5.9 in) in diameter, but specimens have been known to reach 63-centimetre (2.07 ft) in the Smoky Mountains of Tennessee. [34] The longest lichen is Usnea longissima, which may grow to exceed 20 feet (6.1 m) in length. [35]
At the time, third grade teacher, Lynn K. Burgess, and her 1997-1998 class were studying about South Carolina when they found that the state did not have an official state amphibian and decided to ...