Cooper's Hawk
( Épervier de Cooper )
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| Accipiter cooperii | |||||||||||
General NotesThe population of Cooper's Hawk appears to be increasing significantly, according to a recent analysis of Christmas Bird Count records conducted by National Audubon Society scientists. It is possible that the North American population has increased by as much as 250% in the last 40 years. There is sufficient data about this species to have a fairly high level of confidence in this magnitude of growth. |
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| Abundance: | Occasional | Earliest observed date: |
Typical arrival date: |
April 26 | |
| Breeding Status: | Breeding | Latest observed date: |
Typical departure date: |
November 11 |
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Documented Observations |
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