A new study suggests climate change is becoming an "existential crisis" for Earth's wild animals.Oregon State University's ...

We share our world with an amazing array of animals, including millions of terrestrial species inhabiting the Earth’s forests, grasslands, tundra, and deserts. Each species is a vital strand within ...

Terrestrial animals are all the animals that live on land. The study found that the animals with smaller bodies speciated at a higher rate, meaning that new species of smaller animals develop more ...

While they may be outnumbered and outweighed by insects, the terrestrial world is really the kingdom of the vertebrates.