early bird

It demonstrates how important sexual selection was in shaping the plumage of early birds, O’Connor says.

Together, these two factors—the speed of your master clock and how responsive it is to environmental signals—determine whether you’re an early bird or night owl, a distinction otherwise known as your chronotype.

She’s a night owl and he’s an early bird, so Peter has a habit of bringing Betty breakfast in bed before he heads out for a morning walk.

Many of the early bird fossils we've discovered so far come from older, early-Cretaceous rocks in China, with the timeframe between then and the end-Cretaceous extinction more of a question mark.

Within a few million years, however, Archaeopteryx and other early birds evolved.

“Think of yourself as an early bird when it comes to caffeine consumption,” says Zied.

Being an early bird, I varied matters this morning by calling my officers!

The proverb should read, "It is the early bird that catches the bug," and different birds have different ways of going about it.

Although they live on worms, as does Mr. Early Bird of the proverb, they do their feeding by night.

Wal, 't 's the early bird thet ketches the worm; an' it's the early worm thet gits picked, too,—recollember that.

The automobile tourist, not of the butterfly order, is almost invariably an early bird.