As you begin to see nests full of baby chicks and fledgling birds hopping around in your backyard, you may wonder: how do ...

These friendships often lasted for life, and scientists say they show how male primates can use kindness and affection to socially succeed. A young Kinda baboon at Mahale Mountains Nationalpark ...

Why does the peacock have such an elaborate tail? This cumbersome trait significantly decreases the male's chances of survival. It only exists because it confers an advantage to its bearer in the ...

With its luminous dorsal spine, the anglerfish is well adapted for life in the dark depths of the ocean. But when it comes to relationships, some take a rather unconventional route. Pairings of ...

How do behavior, morphology and physiology act in concert to improve a male's reproductive success - and why is there so much variation among outcomes within and between species? Aa Aa Aa ...

Male blue-lined octopuses inject a powerful neurotoxin into the hearts of females before mating to avoid being eaten, according to a new study. The males have evolved to use a venom called ...

Some consider brown-headed cowbirds to be a threat. Setting up backyard bird feeders and a birdbath is an easy way to enjoy birdwatching in your own yard while supporting local bird populations.