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Cooper's Hawk
Tail feather (Rectrix)

Cooper's Hawk

Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Accipitriformes, Family: Accipitridae, Genus: Accipiter, Species: Accipiter cooperii

Family: Accipitridae (Hawks, Eagles, and Kites)

Shape
Broad and elongated with a rounded tip; relatively symmetrical vanes typical of central or near-central rectrices.
Size
Estimated 7-9 inches (18-23 cm) in length. Consistent with the tail length of an adult female or large male Cooper's Hawk.
Rarity
Common (Widespread and frequently encountered in both rural and urban settings).
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Description

A medium-sized hawk specialized for hunting birds. Adults have blue-gray backs and rufous-barred underparts. The tail is long with rounded corners and distinct dark bands, as seen in this specimen.

Colour & Pattern

Bold horizontal banding (barring) featuring alternating dark brown/charcoal and light grey/off-white bands. Typically 3-4 dark bands are visible. The tip often shows a narrow white terminal band.

Barb Structure

Pennaceous; tightly interlocked barbs providing a stiff, wind-resistant surface for flight and steering. Minimal plumulaceous base.

Texture & Surface

Stiff, smooth, and slightly matte. Designed for durability and aerodynamics during high-speed maneuvers through dense vegetation.

Key Features

Distinctive wide, dark horizontal bars; rounded tip; white terminal edge; stiff structure characteristic of Accipiter hawks.

Habitat

Woodlands, forested edges, and increasingly common in suburban areas with mature trees and bird feeders.

Geographic Range

Found throughout North America, from Southern Canada to Central Mexico. Northern populations are migratory, while southern populations are year-round residents.

Ecological Role

Apex avian predator. They play a vital role in controlling populations of small-to-medium birds and rodents.

Similar Species

Sharp-shinned Hawk (smaller, tail tip is usually square rather than rounded) and Northern Goshawk (much larger, different banding pattern).

Interesting Facts

Cooper's Hawks are 'true hawks' or 'accipiters.' They are famous for their agility, often flying at high speeds through thick branches to ambush smaller birds.

Condition Notes

Fair to Good. Shows some ruffling and separation of the barbs (zips) near the tip and base, likely from natural wear or impact during molting.

Cooper's Hawk | Feather Identifier