A litter of newborn capybara is now calling the Sacramento Zoo home. The zoo's resident female capybara, Peppermint Patty, ...

Nature is full of evolutionary selflessness. From deep-sea octopuses to certain marsupials, there are animals and insects that reproduce and then die, as their lives can be cut short because they ...

The largest-ever study of over 2.6 million zoo birth records reveals skewed sex ratios in endangered species, from lemurs to elephants. The international team of scientists behind the study emphasise ...