North America is home to some of the world's largest animal species. Let's take a look at these animals ranging from land ...

A list of the biggest animals that have gone extinct isn ... Elephant/African Forest Elephant/Asian Elephant Elephants are ...

The Argentine ant is one of the most invasive species of ants, with its sprawling supercolonies locked in an endless battle ...

Hunted nearly to extinction during 20th century whaling, the Antarctic blue whale, the world's largest animal, went from a population size of roughly 200,000 to little more than 300. The most recent ...

Speed defines a diverse array of animals across land, air, and sea. The cheetah leads land animals reaching 70 mph, while the peregrine falcon plunges at an astounding 200 mph in the air.

With a large barrel-shaped body, short legs and huge skull, the hippo is the third largest land animal in the world. Adult bulls can reach 4–5m long and weigh four tonnes (4,000kg). Theyhttp ...