To complete the arctic fox's life cycle. Life cycles are as varied and diverse as life on Earth. Whether it's a mammal, like the arctic fox, or a bird, or a plant or an insect, different groups of ...

At the age of 74, parenting can be quite the adventure. But for one venerable albatross named Wisdom, it seems the journey is ...

Photoperiod is the most critical primary cue providing birds a rough timing mechanism by which to begin a stage of the annual life cycle, and allowing birds to adapt their physiology in advance of ...