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Peregrine Falcon (Duck Hawk)
Contour or Upper Secondary Covert feather, possibly a flank or mantle contour feather with strong patterning

Peregrine Falcon (Duck Hawk)

Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Falconiformes, Family: Falconidae, Genus: Falco, Species: F. peregrinus

Family: Falconidae (Falcons and Caracaras)

Shape
Symmetrical vane with a gently rounded to slightly obtuse tip, overall elongated and paddle-shaped outline
Size
Approximately 4 to 5 inches long, typical for a large body contour or upper wing covert of an adult Peregrine Falcon
Rarity
Common to Uncommon, having successfully rebounded significantly from historical declines due to DDT bans
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Description

The Peregrine Falcon is a magnificent, powerful raptor renowned as the fastest animal on Earth, capable of exceeding 240 mph during its characteristic hunting dive or stoop. Adults feature a striking dark blue-gray back and wings, heavily barred white underparts, and a contrasting dark head with a distinct 'helmet' or malar stripe.

Colour & Pattern

Stunning slate-gray or dark bluish-gray background crossed by bold, dark blackish horizontal bars (transverse barring), featuring a pale whitish tip at the distal end and a white-to-horn-colored base along the lower rachis

Barb Structure

Tightly interlocked pennaceous structure throughout the main vane with strong barbicels, firm and durable texture with no afterfeather

Texture & Surface

Smooth, firm, and slightly glossy with a tight interlocking vane that resists wind and moisture, characteristic of high-performance raptor plumage

Key Features

Distinctive dark slate-gray ground color with sharp black transverse bars and a clean white terminal tip, combined with a robust raptor contour feather morphology

Habitat

Found in a wide variety of habitats from coastal areas and wetlands to open tundras, deserts, high mountains, and modern urban environments featuring skyscrapers

Geographic Range

Cosmopolitan distribution found on every continent except Antarctica, breeding across North America, Eurasia, and parts of South America, Australia, and Africa

Ecological Role

Apex avian predator playing a crucial role in regulating medium-sized bird populations such as pigeons, doves, ducks, and shorebirds, acting as an important ecological health indicator

Similar Species

Other medium-sized raptors such as the Merlin or American Kestrel, but distinguished by the distinct slate-gray tone and heavy transverse barring characteristic of larger falcons

Interesting Facts

Peregrine Falcons have specialized tubercles in their nostrils to slow down powerful airflow, allowing them to breathe while diving at extreme speeds. They were famously used in medieval falconry exclusively by royalty.

Condition Notes

Excellent condition with intact barbs, bright coloration, minimal wear along the edges, and no visible fault bars or parasitic damage