Q. I saw a photo of different kinds of bird eggs and noted not only the obvious, that smaller birds lay smaller eggs, but also that some bird eggs are elongate, whereas others are more rounded. What ...

On a remote speck of land in the middle of the Pacific, a single seabird has quietly rewritten what scientists thought they knew about aging in the wild. At roughly 75 years old, the Laysan albatross ...

Animals reproduce in a variety of fascinating ways. Some species, including humans and many other mammals, give birth to live ...

A once-extinct bird is laying eggs in the wild for the first time in nearly 40 years. Sihek, a now-endangered bird returned to the wild in 2024, has laid wild eggs in its new home in Hawaii, according ...

Cuckoos exhibit a remarkable survival strategy by foregoing nest building, a costly endeavor. Instead, they cleverly deposit ...

What is smaller than the width of a dime and weighs less than half a gram? That would be the egg of an Allen’s hummingbird. This tiny bird lays tiny eggs and lives in tiny nests. We are fortunate ...

HONOLULU (KHON2) — The Sihek bird, an endangered animal who recently returned to the wild, has laid eggs on their new home at Palmyra Atoll, an island in the Pacific. The eggs laid mark the first wild ...

CHICAGO — It’s springtime, and the birds are chirping as they begin to build their nests. Researchers say the hands-on clock is turning back, though it happens like clockwork each year. Many species ...

DEAR JOAN: I just finished a book, “Wild Moms” by Carin Bondar. In the book, the author states that in mother birds, many aspects of the egg composition can be directly manipulated by the mothers ...