Tropical tree-dwelling mammals such as monkeys, kinkajous and opossums depend on complex treetop highways to get to food, potential mates and avoid predators on the ground. In the largest-ever ...

Found on a herb bush, a toad of only 24 mm average length, measured from its snout tip to its cloaca, was quick to make its discoverers consider its status as a new species. After identifying its ...

In southeastern Brazil, researchers set out to look for tarantula species with a rare and “striking” characteristic. Tarantulas, belonging to the Theraphosidae family, are among the largest spiders on ...

Roads and other forms of human linear infrastructure are a major source of direct mortality for wildlife. They present substantial threats to global ecosystems through collisions with vehicles and ...

Quick Take Cuban knight anoles, large green lizards from Cuba, are spreading through Florida’s towns and suburbs. Urban ...

Add Yahoo as a preferred source to see more of our stories on Google. Mammals descend trees in different ways, and primates stand apart. (CREDIT: Andrew Mercer / Wikimedia Commons / CC BY-SA 4.0) A ...

New research using arboreal camera traps finds that canopy-dwelling mammals are particularly sensitive to the impacts of human disturbance in rainforests and that these effects are easily missed by ...

Biologists may have discovered a new species of nocturnal mammal in the tropical forests of Taita Hills in Kenya. Although the mammal, known as a tree hyrax, resembles a rabbit with short ears, its ...

Seven new tree-dwelling tarantula species have been identified in southeastern Brazil, including three from heavily deforested regions, according to a study. Getty Images/iStockphoto In southeastern ...