Heritable conditions are those that can be passed from a parent to offspring through genetics. These conditions can vary dramatically from breed to breed and species to species. Part of responsible ...

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 ...

Plants and animals have evolved all sorts of ways to make themselves more appealing to potential mates—including colorful feet, flamboyant feathers, complex mating dances and sexual deception. Many ...

When it comes to animals romancing in the wild, things get weird—really weird. Some animals offer bizarre gifts, some put on daring dances, and others? Well, let’s just say things get really messy.

Birds have one of the widest varieties of appearances in all of the Animal Kingdom. With so many species, each offers unique ...