Eggs, as reproductive structures, existed long before the emergence of modern birds, including the so-called domestic chicken. Dinosaur egg fossils show that egg-laying preceded the emergence of ...

"I couldn't believe my chicken had laid an egg that size or could even lay an egg that size!" Neali Tate told Newsweek.

Ms. Montgomery is the author of “What the Chicken Knows” and other books on animals. Every spring, I’d eagerly await my special package — a box that arrived peeping. Inside were just-hatched chicks, ...