American crow

American Crows do not reach breeding age for at least two years.

American crows typically die within one week of acquiring the disease and very few survive exposure.

In Florida, American Crows have been known to consume eggs of this species.

American Crows are active hunters and will prey on mice, frogs, and other small animals.

And as many nonbirders have also noticed, there are record numbers of American crows in the area: 3,547 were documented on the count.

Like American Crows, magpies tend to roost communally in winter.

American Crows can also produce a wide variety of sounds and sometimes mimic noises made by other animals, including other birds.

Still, blue jays, American crows, squirrels, and tree-climbing snakes are on occasion nest predators.

American crows: the ultimate angry birds?

American Crows are monogamous cooperative breeding birds.

American Crows build bulky stick nests, nearly always in trees but sometimes also in large bushes and, very rarely, on the ground.

Direct transmission of the virus from American Crows to humans is not recorded to date, and in any case not considered likely.

American Crows succumb easily to West Nile virus infection.

In winter and autumn, the diet of American Crows is more dependent on nuts and acorns.

Competition over carcasses may occur with American Crows and several crows working together can displace a hawk.

Residents and officials around Bayside are reporting the deaths of dozens of American crows in their neighborhoods.

American Crows are protected internationally by the Migratory Bird Treaty Act of 1918.

The number of individual American Crows is estimated by Birdlife International to be around 31,000,000.

American Crows are common, widespread and adaptable, but they are highly susceptible to the West Nile Virus.

Because of this, American Crows are a sentinel species indicating the presence of West Nile virus in an area.

This regularly leads to their being mobbed by other birds, especially American Crows (Corvus brachyrhynchos).

American Crows, Black-billed Magpies and Forster's Tern can sometime take eggs.

These birds are Blue Jays, Common Grackles, American Crows, and Common Ravens.

Common predators include squirrles and birds such as: Blue jays, common grackles, house sparrows, American crows, and sometimes northern cardinals.

American crows, for example, were at an all time high last winter, but the 1999 count will reveal the effects of last summer's encephalitis outbreak, which killed many crows.