The Trump administration last week sued the state of California over its laws requiring eggs sold in the state to come from animals raised under certain conditions, prompting denunciations from animal ...

Typically, male birds have more vivid colours than females. As Charles Darwin first explained, the most colourful males are ...

By Mongabay.com Six blue-and-yellow macaws are gracing the skies of São Simão, in Brazil’s southeastern São Paulo state, after more than five decades of local extinction, Mongabay contributor Suzana ...