Family Hawks, Eagles (Accipitridae)

Least Concern

Cooper's Hawk (Accipiter cooperii)


Taxonomy

French: Épervier de Cooper German: Rundschwanzsperber Spanish: Gavilán de Cooper
Taxonomy:

Falco cooperii

Bonaparte

, 1828,

Bordentown, New Jersey, USA

.

Traditionally considered to form a species-group with A. gundlachi and A. bicolor; this treatment supported by recent phylogenetic analyses, which indicated that this species and A. gundlachi are genetically very close relatives, with A. bicolor closely related to this pair#R. Monotypic.

Distribution:

S Canada and most of USA S to NW Mexico. Winters from N USA to Central America as far S as Costa Rica, occasionally S to Colombia.

Descriptive notes

37–47 cm; male 276–388 g (breeding), female 461–701 g (breeding); wingspan 64–87 cm. Near N edge of breeding range, size varies from W to E, with... read more

Voice

Most common call a series of nasal "cak" notes given by both sexes during courtship or as alarm... read more

Habitat

Breeds in deciduous, coniferous and mixed forests, often with dense canopy cover. Deciduous... read more

Food and feeding

Overall, feeds primarily on medium-sized birds, but small mammals important in some areas, and reptiles occasionally taken. Proportion of... read more

Breeding

Eggs in first clutches normally laid from early Apr–late May; slightly earlier at S limits, e.g. Florida, Texas and N Mexico. Pairs... read more

Movements

Mostly migratory in N third of range, but small numbers can be found in winter as far N as species... read more

Status and conservation

Not globally threatened (Least Concern). CITES II. Widespread and common; perhaps one of commonest hawks in W USA. Seriously affected by organochlorines in 1940s and 1950s,... read more

Recommended citation

White, C.M., Boesman, P. & Marks, J.S. (2018). Cooper's Hawk (Accipiter cooperii). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from https://www.hbw.com/node/53083 on 13 November 2018).