A new study has revealed that saltwater crocodiles born or raised in captivity may not return to their breeding centers after being released into the wild, a discovery that can help inform ...

For some animals, reproduction comes at the ultimate cost—their own lives. While this may seem extreme, it's a natural strategy to maximize reproductive success. These species invest everything into ...

In the heart of the Brazilian Amazon, researchers from the University of East Anglia have captured something never before documented—a black-coated jaguar mating in the wild with a spotted jaguar.

Mating calls and rituals can be intercepted, or drowned out, by invasive species. Scientists are just starting to understand the consequences. In New Zealand, females from an invasive South African ...