Guide to North American Birds | Audubon
网页Cardinals, Grosbeaks and Buntings. One of our most popular birds, the Cardinal is the official state bird of no fewer than seven eastern states. Abundant in the Southeast, it has been extending its range northward for decades, and it now brightens winter days with its color and its whistled song as far north as southeastern Canada.
How to Tell a Raven From a Crow | Audubon
网页2012年10月22日 · A raven's strut is often punctuated by a few two-footed hops (see video below). By voice. While crows caw and purr, ravens croak and scream bloody murder. Listen and compare the American Crow to the Common Raven: American Crow: Common Raven: In flight. Ravens ride the thermals and soar, whereas crows do more flapping.
Identifying Birds | Audubon
网页Bird ID is like solving a puzzle. A Northern Cardinal's crimson feathers, an American Robin's round shape, a White-breasted Nuthatch's acrobatics—these traits are the pieces that will help you put together a successful ID. And the longer you observe a bird, the more pieces you'll pick up. But as even the most experienced birders know ...
Peregrine Falcon | Audubon Field Guide
网页At a Glance. One of the world's fastest birds; in power-diving from great heights to strike prey, the Peregrine may possibly reach 200 miles per hour. Regarded by falconers and biologists alike as one of the noblest and most spectacular of all birds of prey. Although it is found on six continents, the Peregrine is uncommon in most areas; it was ...
Canada Goose | Audubon Field Guide
网页This big 'Honker' is among our best-known waterfowl. In many regions, flights of Canada Geese passing over in V-formation -- northbound in spring, southbound in fall -- are universally recognized as signs of the changing seasons. Once considered a symbol of wilderness, this goose has adapted well to civilization, nesting around park ponds and ...
Anna's Hummingbird | Audubon Field Guide
网页Description. 4" (10 cm). Adult male has rose red on throat and crown (looks black or gold in some lights). Female plain green above, dingy gray below, often with red spots on throat. More stocky than Black-chinned or Costa's; unlike them, tends …
Northern Cardinal | Audubon Field Guide
网页Diet is quite varied. Feeds on many insects, including beetles, true bugs, grasshoppers, caterpillars, ants, flies, and many others, also spiders, centipedes, and snails. Most of diet is vegetable matter, including seeds of weeds and grasses, waste grain, leaf buds, flowers, and many berries and wild fruits. Young are fed mostly insects.
Mourning Dove | Audubon Field Guide
网页At a Glance. The mournful cooing of the Mourning Dove is one of our most familiar bird sounds. From southern Canada to central Mexico, this is one of our most common birds, often abundant in open country and along roadsides. European settlement of the continent, with its opening of the forest, probably helped this species to increase.
Osprey | Audubon Field Guide
网页Along coastlines, lakes, and rivers almost worldwide, the Osprey is often seen flying over the water, hovering, and then plunging feet-first to catch fish in its talons. After a successful strike, the bird rises heavily from the water and flies away, carrying the fish head-forward with its feet. Bald Eagles sometimes chase Ospreys and force ...
Get to Know These 20 Common Birds | Audubon
网页2018年1月31日 · American Robin. Perhaps no other North American bird is as familiar to the general public as the American Robin. Widespread, common, and conspicuous, these medium-size birds can be found in every state in the Lower 48, every Canadian province, and Alaska. They are easy to spot with their rusty orange bellies and gray backs.