birds

1. A class of vertebrates distinguished by their feathers and their two legs and two wings. Birds are warm-blooded animals , and their young hatch from eggs .

Notes

Some scientists argue that modern birds are descended from the dinosaurs .

Example Sentences

I don't want to sound like I'm prejudging these birds, but they're not like peacocks where it is easy to tell them apart on sight.

From Salon

Other creatures have visual systems that are responsive to different frequencies of light, with birds and butterflies able to perceive wavelengths in the ultraviolet range.

From Salon

Almost all of the species investigated benefit from lawns as they are home to soil organisms that also serve as a food source, for hedgehogs and birds, for example.

From Science Daily

He said his visit to Shelf on Thursday was his second trip up and a second attempt to see one of his bucket-list birds.

From BBC

As H5N1 bird flu spreads among California dairy herds and southward-migrating birds, health officials announced Friday that six more human cases of infection: five in California and one in Oregon — the state’s first.

From Los Angeles Times

Related Words

• fowl