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Cooper's Hawk
Tail feather (rectrix), likely from the outer-to-middle position (R3-R5)

Cooper's Hawk

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

Family: Accipitridae (Hawks, Eagles, and Kites)

Shape
Slightly asymmetrical, elongated, with a rounded tip and straight rachis typical of a tail feather
Size
Estimated 18-22 cm (7-8.5 inches) long, consistent with adult female Cooper's Hawk tail feathers
Rarity
Common; one of the most frequently encountered woodland hawks in North America
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Description

A medium-sized hawk with broad, rounded wings and a long, banded tail. Adults have a blue-gray back and rufous-barred underparts.

Colour & Pattern

Greyish-brown base with three distinct broad, dark brown/blackish horizontal bands and a lighter grayish terminal tip

Barb Structure

Pennaceous; tightly interlocked barbs along the majority of the vane, transitioning to a small plumulaceous section near the calamus

Texture & Surface

Smooth, stiff, and matte; the surface is designed for durability and air resistance during rapid flight maneuvers

Key Features

Distinctive dark horizontal banding on a gray-brown background with a rounded tip; larger than Sharp-shinned Hawk feathers

Habitat

Woodlands, forest edges, and increasingly common in leafy suburban areas and backyards with bird feeders

Geographic Range

Common across North America, from Southern Canada through most of the United States to Central Mexico

Ecological Role

Apex avian predator, primarily feeding on medium-sized birds like doves and jays; helps regulate prey populations

Similar Species

Sharp-shinned Hawk (smaller, square tail tip) and Northern Goshawk (much larger, more mottled pattern)

Interesting Facts

Cooper's Hawks are 'sprinters,' using their long tails like rudders to maneuver through dense branches at high speeds to catch prey.

Condition Notes

Good condition; showing slight wear on the outer edges and a small amount of 'zip' separation in the barbs (ventral side)