Biologists like to say that reproduction is the ultimate investment, a costly gamble that shapes everything from lifespan to ...

Animal reproduction and breeding encompasses the full spectrum of natural, assisted and genetic processes that underpin the perpetuation, improvement and conservation of species across diverse taxa.

A large international study reveals that mammals tend to live longer when reproduction is suppressed. On average, lifespan ...

Many mammal populations in European and North American zoos are aging—a trend that jeopardizes the long-term viability of so-called reserve populations and, with it, a core mission of modern zoos in ...

The energy invested in animal reproduction is as much as 10 times greater than previously estimated when the metabolic load of bearing and caring for offspring is accounted for, according to a new ...

How do animals decide when to fight and when to walk, fly, slither, or swim away? Most research on animal conflict has focused on the short-term costs of single interactions, but a pair of behavioral ...

Many mammal populations in European and North American zoos are aging – a trend that jeopardizes the long-term viability of so-called reserve populations and, with it, a core mission of modern zoos in ...