
Cooper's Hawk
Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Accipitriformes, Family: Accipitridae, Genus: Accipiter, Species: cooperii
Family: Accipitridae (Hawks, Eagles, and Kites)
- Shape
- Broadly rounded tip with a slightly asymmetrical vane tapering toward the base
- Size
- Approximately 18-22 cm (7-9 inches) in length, consistent with an adult Cooper's Hawk secondary
- Rarity
- Common; widely distributed and adaptable to human-altered landscapes
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Description
This feather belongs to the Cooper's Hawk, a medium-sized forest raptor known for its incredible agility. Adult Cooper's Hawks have blue-gray backs and rufous-barred underparts. They are famous for their 'flap-flap-glide' flight style and their ability to hunt smaller birds through dense vegetation
Colour & Pattern
Alternating broad bands of dark slate-gray or brownish-gray and crisp white or pale gray. The bands are relatively even in width, a classic 'zebra' pattern typical of accipiters
Barb Structure
Tightly interlocked pennaceous barbs throughout most of the vane for steady flight; plumulaceous (downy) structure at the very base near the calamus
Texture & Surface
Smooth, firm, and slightly glossy on the dorsal surface; the vane is stiff to support air pressure during flapping flight
Key Features
Bold, even horizontal banding and a rounded tip. The width of the dark bands is roughly equal to the light bands, which helps distinguish it from the Sharp-shinned Hawk
Habitat
Mixed deciduous forests, woodlands, and increasingly common in suburban areas with mature trees and bird feeders
Geographic Range
Southern Canada through the contiguous United States to Central America; northern populations are migratory while southern ones remain resident
Ecological Role
Apex avian predator in woodland ecosystems; helps regulate populations of medium-sized birds like doves, jays, and starlings
Similar Species
Sharp-shinned Hawk (smaller, thinner bands), Northern Goshawk (larger, more mottled/marbled gray pattern), Red-shouldered Hawk (different banding spacing)
Interesting Facts
Cooper's Hawks are named after naturalist William Cooper. They are 'accipiters' or bird-hawks, possessing short rounded wings and long tails that act as rudders for high-speed maneuvers through trees
Condition Notes
The feather appears to be in Good condition with minor wear at the tip and some separation of the barbs near the base (barbicels are slightly unhooked)