Some duck egg shells come in colors reminiscent of chicken eggs. Marc Metzer says, "Some of our breeds have a high percentage ...

Duck eggs are most common in Asia, where non-chicken poultry species lay 10% of the continent's eggs, and where 89% of the ...

Unlike most birds, female brown kiwis have two functioning ovaries and, unlike other kiwi species, they will lay multiple eggs per season. Q: Where does the phrase “lame duck” come from?

With its duck-like bill, webbed feet ... Found only in Australia and New Guinea, these egg-laying mammals offer a glimpse into the evolutionary past of mammals while continuing to thrive in ...

Field-chasing ducks are often a breed called Khaki Campbell, known for its reliable egg-laying. When they're 20 days old, ducks are brought to the fields and get to graze in large herds as they ...