Birds are a surviving branch of the dinosaurs, so we know that they already had reptilian eggs when they started the evolutionary journey that has led to the 10,000 species of small, feathered ...

Photo courtesy of the Philippine Council for Agriculture, Aquatic and Natural Resources Research and Development At a quiet hatchery in the Philippine countryside, thousands of duck eggs lie warm ...

World’s Oldest Known Wild Bird Lays an Egg at 74. Wisdom, a Laysan albatross, has outlived at least three mates and the researcher who outfitted her with a tracking band in 1956.