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American Crow

A species of Crows
Scientific name : Corvus brachyrhynchos Genus : Crows

American Crow, A species of Crows
Botanical name: Corvus brachyrhynchos
Genus: Crows
American Crow (Corvus brachyrhynchos) Photo By Andy Reago & Chrissy McClarren , used under CC-BY-2.0 /Cropped and compressed from original

Description

The american Crow is a big black bird that can be found in forests, fields, river groves, and among human habitations. Interestingly, it is known to stand atop ant hills and allow ants to climb onto its feathers; this apparently discharges their formic acid and makes them more palatable for the crow to eat. Sadly, american Crow numbers have been substantially affected by the West Nile virus in North America. Infected birds die from West Nile in less than a week.
Size
40 - 53 cm
Life Expectancy
7-14 years
Nest Placement
Tree
Clutch Size
3 - 9 eggs
Incubation Period
1 - 2 broods
Number of Broods
16 - 18 days
Nestling Period
20 - 40 days
Feeding Habits
American Crow are omnivorous, consuming grains, seeds, nuts, fruits, and berries, as well as a variety of animals including earthworms, mice, insects, fish, and amphibians. They also eat eggs, nestlings, carrion, and human scraps, with an increased reliance on nuts and acorns in autumn and winter. They sometimes visit bird feeders.
Habitat
American Crow thrive across diverse environments, ranging from urban areas like towns and cities to open woodlands, parks, farmlands, and coastal regions. They prefer habitats with a mix of open spaces and occasional trees for perching. Typically, they avoid the dense temperate rainforests of the Pacific and desolate tundra regions. Generally, they steer clear of vast stretches of unbroken forest, yet may foray into these areas along waterways or through human-modified landscapes. American Crow are also commonly seen exploiting various anthropogenic structures and landscapes including landfills, golf courses, cemeteries, and more. Their remarkable adaptability does not extend to deserts, which they tend to evade.
Nest Behavior
Both breeding american Crow help build the nest, sometimes assisted by their previous offspring.
Nest Characteristics
American Crow nests are often concealed in a crotch near a tree trunk or on a high horizontal branch, favoring evergreens. Constructed from twigs and lined with pine needles, weeds, bark, or animal hair, their nests can range from 6-19 inches wide with an inner cup of 6-14 inches across and 4-15 inches deep.
Dite type
Omnivorous

General Info

Feeding Habits

Bird food type
Black Oil Sunflower Seeds
Hulled Sunflower Seeds
Suet
Cracked Corn
Peanuts
Peanut Hearts
Fruit
Millet
Oats
Milo
Bird Feeder Type
Platform
Ground

Sounds

Call
Recording location: United States
Call
Recording location: United States

Behavior

American Crow exhibit highly social and complex behavior patterns. They tend to conduct daily activities as a group rather than in solitude. They are often spotted foraging, roosting, and cooperating within extensive family units, which include not only parents but also their offspring from previous years. Together, they participate in the upbringing of the new generation. During winter, their roosts can amass in the hundreds of thousands, demonstrating a remarkable facet of their social lives. Known for their sharp intelligence, american Crow can collaboratively problem-solve and have been observed utilizing unconventional food sources, showcasing their adaptability. This astuteness, combined with their fondness for congregating in large numbers around human-dominated spaces like dumpsters and landfills, elicits mixed reactions from people. A distinctive trait of american Crow is their mobbing behavior, where groups collectively confront and repel predators in a display of communal defense and cooperation.

Distribution Area

The range of the American crow now extends from the Pacific Ocean to the Atlantic Ocean in Canada, on the French islands of Saint-Pierre and Miquelon, south through the United States, and into northern Mexico. This crow is a permanent resident in most of the US, but most Canadian birds migrate some distances southward in winter. The American crow was recorded in Bermuda from 1876 onwards.

Species Status

American crows are protected internationally by the Migratory Bird Treaty Act of 1918. Despite attempts by humans in some areas to drive away or eliminate these birds, they remain widespread and very common. The number of individual American crows is estimated by BirdLife International to be around 31,000,000. The large population, as well as its vast range, are the reasons why the American crow is considered to be of least concern, meaning that the species is not threatened.
American Crow (Corvus brachyrhynchos) American Crow (Corvus brachyrhynchos) Photo By Andy Reago & Chrissy McClarren , used under CC-BY-2.0 /Cropped and compressed from original

Scientific Classification

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