More than 700 bird species breed in North America, and the variations in their behaviors are fascinating and complex. Different species find mates, build nests, lay eggs, and raise their young in ...

To fully know a species and develop sound conservation efforts, its full life cycle must be understood. But tracking small migratory birds for thousands of miles has proven challenging, if not ...

Ignoring the wintering ranges of migratory birds when studying their populations is like doing a puzzle with half of the pieces missing. In a new Review published this week in The Auk: Ornithological ...

One of the themes of this “Bird Lore” column is the annual cycle of bird life. The marvels of bird migration, which follow our seasonal changes, result in a wonderful diversity of bird life throughout ...

Most animals respond to the changing seasons. Some follow temperature, others track rainfall or the lengthening and ...

In a general context of climate change, researchers have revealed the impact of ocean cycles, such as the Pacific decadal oscillation and El Niño, on the survival of the Nazca booby. Their research ...