The annual bison mating season has begun, bringing louder bellows, increased aggression and dramatic displays to national ...

The mating process is so focused and intense for these creatures that their body literally shuts down. That's life (and death) for the male antechinus. During the breeding season, he mates obsessively ...

For a small number of animals, reproduction marks a biological endpoint rather than a stage in an ongoing life cycle. Death follows mating with such consistency that it can be predicted within a ...

African gray foam-nest treefrogs (Chiromantis xerampelina) are common across the savannas and dry forests of southeastern Africa. Despite their unremarkable outward appearance, these small animals ...

Relationships can be complicated, especially in the wild. There are dozens of ways for creatures to couple up, whether they’re microscopic bacteria or massive jungle mammals. But as is true for human, ...

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While millions of people are preparing to watch the total solar eclipse that will make its way across North America on Monday, the animals in that affected area — in homes, on farms, in zoos and in ...