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As of 2017, the IUCN Red List drawn up by the International Union for Conservation of Nature (IUCN) lists the species as vulnerable, with a stable population estimated between 115,000 and 130,000 animals. [1] The hippo population has declined most dramatically in the Democratic Republic of the Congo. [63]
There are two living species of hippopotamid in two genera; the pygmy hippo, Choeropsis liberiensis of the forests of west Africa, and the common hippo, Hippopotamus amphibius. The term hippopotamus can also be applied to hippopotamids in general, although it is most frequently used for the common hippo and its respective genus.
Hippos weigh between 3,000 and 10,000 pounds, making them the second largest animal on land. Despite this enormous size, however, hippos are herbivores and aren’t naturally aggressive. But they ...
The list of organisms by chromosome count describes ploidy or numbers of chromosomes in the cells of various plants, animals, protists, and other living organisms.This number, along with the visual appearance of the chromosome, is known as the karyotype, [1] [2] [3] and can be found by looking at the chromosomes through a microscope.
This list of fictional pachyderms is a subsidiary to the List of fictional ungulates.Characters from various fictional works are organized by medium. Outside strict biological classification, [a] the term "pachyderm" is commonly used to describe elephants, rhinoceroses, tapirs, and hippopotamuses; this list also includes extinct mammals such as woolly mammoths, mastodons, etc.
A hippo sleeping underwater rises and breathes without waking. A hippo closes its nostrils when it submerges into the water. [60] As with fish and turtles on a coral reef, hippos occasionally visit cleaning stations and signal, by opening their mouths wide, their readiness for being cleaned of parasites by certain species of fishes.
The behavior of the pygmy hippo differs from the common hippo in many ways. Much of its behavior is more similar to that of a tapir , though this is an effect of convergent evolution . [ 9 ] While the common hippopotamus is gregarious, pygmy hippos live either alone or in small groups, typically a mated pair or a mother and calf.
The largest living land animal, the African bush elephant, is a herbivore. This is a list of herbivorous animals, organized in a roughly taxonomic manner. In general, entries consist of animal species known with good certainty to be overwhelmingly herbivorous, as well as genera and families which contain a preponderance of such species.