In mammals, males are usually stronger and more competitive than females. Males also show greater inequality in reproductive success—the number of offspring they produce—than females. In spotted ...

Mating with many males means more viable nests and improved offspring survival or performance for African Grey Foam-Nest ...

A canine behavior expert told Newsweek mother dogs' healthier aging may reflect breeding care, not reproduction alone.

Happy World Dog Day! Discover the fascinating science behind oxytocin spikes, brain scans, and genetics that prove your dog ...

Dogs are humans' best friends in many places across the globe. But does a dog in New York City respond in the same way as a ...

Read a National Geographic magazine article about animal mating behaviors and get information, facts, and more about sexual ...