There are only about 4,000 kinds of mammals. This sounds like a lot, but when you consider there are 21,000 kinds of fish and a whopping 800,000 kinds of insects you’ll realize mammals are a pretty small class!
Mammals are the animal class that people belong to.
Together with Layla (our loveable rhino) we discover mammals from the largest – the Blue Whale - to the smallest – the Kitty’s hog-nosed (bumblebee bat); and of course the Big Five - the 5 largest land mammals of South Africa.
Echidnas, sometimes known as spiny anteaters, and Platypus Monotremes are one of the three main groups of living mammals, along with placentals (Eutheria) and marsupials (Metatheria). The monotremes are typified by laying eggs rather than bearing live young. However, like all mammals, the female monotremes nurse their young with milk.
A giraffe's tongue is 20 inches long. They use it to clean their own ears
A whale's heart beats very slowly. As slow as once every 6 seconds
There are over 4,200 species of mammals