
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
- Slightly asymmetrical, elongated with a rounded tip and straight rachis typical of tail feathers used for steering.
- Size
- Approximately 7-9 inches (18-23 cm) in length; the width is about 1.5 inches. This size is highly consistent with an adult Cooper's Hawk tail feather.
- Rarity
- Common. They are one of the most widespread raptors in North American suburban environments.
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Description
This feather belongs to the Cooper's Hawk, a medium-sized raptor known for its incredible agility. Adults have bluish-gray backs and rufous-barred underparts, while their long, banded tails are their most distinctive feature in flight.
Colour & Pattern
Strongly banded with alternating wide, dark charcoal-brown to blackish bars and narrower light gray to off-white bars. The tip shows a faint white terminal band, which is a classic field mark for this species.
Barb Structure
Pennaceous and tightly interlocked throughout most of the vane for structural integrity; smaller plumulaceous (downy) section at the base of the calamus.
Texture & Surface
Dense, smooth, and stiff to the touch with a slightly matte finish. The surface is designed for durability during high-speed maneuvers through dense foliage.
Key Features
Distinctive even-width dark and light banding, rounded tip with a white terminal edge, and a length consistent with a medium-sized Accipiter.
Habitat
Wooded areas, deciduous forests, and increasingly common in suburban backyards where they hunt songbirds near feeders.
Geographic Range
Found throughout North America, from Southern Canada to Central Mexico. Northern populations are migratory, while southern ones are year-round residents.
Ecological Role
Apex predator of small to medium birds and mammals. They help regulate songbird populations and serve as an indicator of healthy woodland ecosystems.
Similar Species
Sharp-shinned Hawk feathers are very similar but smaller (usually under 6 inches) and usually lack the prominent white terminal tip. Red-shouldered Hawk feathers have more numerous, narrower white bands.
Interesting Facts
Cooper's Hawks are 'stealth hunters.' They have evolved short, rounded wings and long tails to act as a rudder, allowing them to fly at high speeds through thick forest canopy to catch prey.
Condition Notes
Fair to Good. Some mechanical wear and 'zipper' separation is visible along the trailing edge (right side), likely from contact with branches or during the molt drop.