Given that the Earth has experienced no fewer than six mass extinctions over the last 500 million years, the list of species that once lived but have gone extinct over the ages is vast. As of 2014, the Center for Biologi... More » Science Biology Zoology

Some animals that have become extinct during the past century include the Golden Toad, the Zanzibar Leopard, the Po'ouli, the Pyranean Ibex and the West African Black Rhinoceros. Other extinct species include the Quagga,... More » Science Biology Zoology

While familiarity with extinct animals varies, the dodo bird and the woolly mammoth can be considered generally well-known. The phrase "to go the way of the dodo" is a common reminder of the bird's extinction. The woolly... More » Science Biology Zoology

As of 2011, there were an estimated 7.77 million species of animals on Earth, encompassing all phylums and families in the animal kingdom. This number increases to 8.74 million if non-animal species from the plant, fungi... More » Science Biology Zoology

There are many species of animals on Earth that spend the majority of their lives alone, including species of reptiles, amphibians, mammals, fish, insects and arachnids. Solitude is common in the animal world, and it may... More »

The temperate forest is home to many different animals including several species of mammals, insects, birds, amphibians and reptiles. Skyenimals, a web source, gives a full list of the animals found in this habitat. More »

Some animals that live in the Florida Everglades are reptiles such as alligators, crocodiles and many species of snakes and mammals such as dolphins, manatees and white-tailed deer. Other animals that live in the Evergla... More » Science Biology Zoology