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American Crow
Life History Information
| Common Names
(References) |
| English: |
American Crow |
French: |
Corneille d'Amérique |
Spanish: |
Cuervo Americano |
| Taxonomy
(References) |
| Order: |
Passeriformes |
Genus: |
Corvus |
AOU number: |
488 |
| Family: |
Corvidae |
Species: |
brachyrhynchos |
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| Status of Species (References) |
| Global: |
Very common |
Provincial rank (breeding): |
Very common |
Canada: (COSEWIC) |
Not evaluated |
(non-breeding): |
Common |
| Wing length (millimetres): |
317 |
Weight (grams): |
507 |
| |
Potential lifespan (years): |
15 |
| Migration strategy |
primary: |
Short distance migrant |
secondary: |
Resident |
| Return to southern Ontario (date): |
Overwinters |
| Return to northern Ontario (date): |
March 19 |
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Ecozone |
Nesting habitat |
Primary: |
Boreal Shield |
Woodlands |
Secondary: |
Boreal Plains |
Agricultural |
Tertiary: |
Montaine Cordillera |
Urban |
| Territory size (hectares): |
0 |
Forest area sensitivity: |
Forest area sensitive |
| Home range (hectares): |
No data |
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| Nest substrate: |
Primary: |
Coniferous tree |
Nest type: |
Primary: |
Cup |
Secondary: |
Deciduous tree |
Secondary: |
None |
| Nest height (metres) |
minimum: |
5.5 |
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maximum: |
10.7 |
average: |
8.1 |
| Clutch size (eggs) |
minimum: |
4 |
maximum: |
5 |
average: |
4.5 |
| Usual number of broods: |
1 |
| Type of development: |
Altricial |
| Cowbird parasitism (percent): |
0 |
Activity time: Diurnal
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Breeding |
Non-breeding |
| Food type |
primary: |
Omnivore |
Omnivore |
secondary: |
None |
None |
| Food substrate |
primary: |
Ground |
None |
secondary: |
None |
None |
| Feeding technique |
primary: |
Forager |
Forager |
secondary: |
None |
None |
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