Birds building nests with a center cup, a depression to hold the eggs, can lay eggs with ends gently oval. Ditto birds that nest in cavities. Eggs are unlikely to roll out of those nests.

What Do Cardinal Eggs Look Like? There are a few ways to identify Northern cardinal eggs. First, look at their general color. The eggs of these birds come in hues of off-white, such as grayish white ...

Some birds lay colorful or speckled eggs, and others lay eggs with plain white shells. Keep scrolling to see how 10 different birds build their homes and nest their eggs.

Most perching birds lay eggs speckled with reddish protoporphyrin spots toward the egg's blunt end. Evidence in a paper by Gosler, Higham & Reynolds soon to appear in Ecology Letters > suggests ...

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 ...

Bird eggs come in a host of beautiful colors and patterns, ... lay eggs that are completely white. ... the researchers could see that some eumaniraptoran eggs were spotted and speckled.

Black birds with a greenish sheen and brown heads sometimes visit my yard during spring migration. These are male brown-headed cowbirds, and they often arrive in mixed flocks of red-winged blackbirds ...

Though an African cuckoo can mirror each of these patterns, they might lay a black-speckled egg in a nest full of brown polka-dotted eggs. This, in turn, makes it very easy for fork-tailed drongos ...

Dinosaurs laid colorful eggs. Birds lay colorful eggs. You do the math. But really though: A study from last year found that oviraptors, a dinosaur of the ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Quail eggs are like fingerprints, a new study suggests. The creamy blue-and-brown speckled ...

Most perching birds lay eggs speckled with reddish protoporphyrin spots toward the egg's blunt end. Evidence in a paper by Gosler, Higham & Reynolds soon to appear in Ecology Letters suggests that ...