Blue or speckled, tiny or large, bird eggs fit nature's design. Subscribe. Log In. Minnesota News You Can Use. Subscribe. ... Those birds lay eggs that pivot on a smaller, pointed end.

While you might be most familiar with "robin's egg blue", many species of birds lay blue-colored eggs. Why might this have evolved? Although scientists can't go back in time to observe the emergence ...

A bird once declared extinct in the wild has just laid eggs in Hawaii. The sihek, also known as the Guam kingfisher, has a striking burnt orange breast, electric blue wings, and a sharp beak ...

Male birds have ZZ and females have ZW, and so the gene for blue eggs could be carried on the Z chromosome, ... The gene that causes cuckoos to lay blue eggs is determined by the mother alone.

Why Don't Birds Lay Square Eggs? Season 7 Episode 19 | 7m 21s Video has Audio Description, Closed Captions | AD CC. One day I saw a collection of eggs from lots of different bird species, and I ...

From baby blue to black-speckled beige, bird eggs are as varied as the species that lay them. Why bird eggs come in so many colors is still something of a mystery, but new research identifies a reason ...

This bird’s no spring chicken — but she’s procreating in her 70s! The world’s oldest known wild bird, an albatross named Wisdom, triumphantly laid her first egg in years this week at the ...