Not only is the bison one of the most iconic animals in North America, but it's actually the United States' national mammal.

Here’s what makes an elephant a mammal, including some facts you may not know about them. Elephants Give Live Birth to Their Young After a 22-month gestation period, this mammal gives live birth ...

Mammals are among the most adaptable animals on the planet. They are found on every continent and in every ocean, and range in size from tiny bumblebee bats to enormous blue whales. One reason for ...

From the top of Shifting Sands dune in the Serengeti Plain of Africa a million mammals are in motion. Wildebeests. Zebras. Gazelles. The plain is black with them. It is wildebeest calving season ...

Dolphins have so many interesting sides to them that make them unique mammals. Their features make them likable, especially ...

Mammals live all across the world. They can be found living in the ground, in trees, and even in the sea. There are many different kinds of mammal, including us humans! Find out more about ...

The extinct giant ground sloths were some of the only mammals that had digestive systems large enough to process the huge avocado seeds whole. They feasted on the fruit and then dispersed the ...

This fact sheet attempts to dispel the fears and answer some of the questions most often asked of the National Museum of Natural History by presenting some general facts about the biology and natural ...

These incredible mammals are far smarter than we thought ... Here are three mind-blowing facts about dolphins that showcase their astonishing intelligence, as well as their peculiar behaviors ...

Before dinosaurs walked the Earth and tens of millions of years before the first mammals appeared, distant mammal relatives with long, serrated canine teeth were the dominant carnivores on land.