Conservationists often raise the young of endangered species in captivity before releasing them into suitable habitats as ...

New research has found that masturbation among bird species, including parrots, is natural, despite prevailing assumptions ...

The axolotl — an often smiley-faced salamander known for its ability to regenerate limbs and organs — is showing new powers of adaptability, as individuals bred in captivity are surviving releases ...

Meerkats are small, big-eyed, highly social mongooses who live in South Africa in packs ranging from two to more than 30 individuals in which complex social networks and social hierarchies regulate ...

Growing awareness of zoochosis — repetitive, stress-linked behaviors in captive animals — is fueling debate over the ethics of captivity and the need for evidence-based welfare improvements. Research ...

Source: Petr Hamerník, CC BY-SA 4.0, via Wikimedia Commons. How do you ask an animal if it is in pain? It can be challenging, since many species have evolved to hide potential vulnerability. At the ...