Scientists confirm that orcas and dolphins have lost the ability to return to dry land due to irreversible evolutionary ...

There are several distinct traits that make mammals different from other animals, with the most significant ones being that ...

Ever wondered what the largest land animal is? "African Elephants: The Largest Animal on Earth," will give you the info you ...

Spotted hyenas (Crocuta crocuta) live across much of sub-Saharan Africa, but the species went extinct in what is now Egypt 5,000 years ago, when a changing climate made the region too dry for ...

White rhinos rank as the second-largest land mammals, right after elephants, with adult males capable of growing up more than 6 feet tall. In addition, their weight can reach as much as 3.6 tonnes.