Feather Identifier app iconFeather Identifier
American Kestrel (Sparrow Hawk)
Primary flight feather, likely P8 or P9 (outer primary)

American Kestrel (Sparrow Hawk)

Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Falconiformes, Family: Falconidae, Genus: Falco, Species: Falco sparverius

Family: Falconidae (Falcons and Caracaras)

Shape
Highly asymmetrical vane; elongated and narrow with a distinctively tapered, pointed tip. The leading edge (outer vane) is much narrower than the trailing edge (inner vane).
Size
Approximately 3.5 to 4.5 inches (9-11 cm). This is consistent with the outer primaries of a small raptor like the American Kestrel.
Rarity
Common. It is the most common and smallest falcon in North America.
Learn more about American Kestrel (Sparrow Hawk) in the encyclopedia →

Found a feather like this?

Identify any feather from a photo, free.

Identify a feather

Description

This feather belongs to the American Kestrel, a colorful, jay-sized raptor. Males have blue-grey wings and rufous backs, while females are reddish-brown with heavy barring. Both sexes have two vertical black 'mustache' marks on their white faces. They are known for their ability to hover in place while hunting for insects and small rodents.

Colour & Pattern

Base color is a creamy white to pale grey. It features bold, dark chocolate-brown to blackish transverse spotting/incomplete bars. The tip is predominantly dark. This spotting is characteristic of Kestrel wing feathers.

Barb Structure

Densely interlocked pennaceous barbs providing a stiff, aerodynamic surface. The base shows a small amount of plumulaceous (downy) structure near the calamus.

Texture & Surface

Smooth, stiff, and somewhat glossy. The surface is designed to be wind-resistant and silent, though not as soft as an owl's feather.

Key Features

Small size for a raptor flight feather; bold dark-on-light spotting (not full bars across the whole vane); extreme asymmetry characteristic of an outer primary.

Habitat

Open country, grasslands, meadows, parklands, and agricultural fields. They are often seen perched on power lines or hovering over fields.

Geographic Range

Widespread across North and South America. Northern populations are migratory, moving south during winter, while southern populations are year-round residents.

Ecological Role

Secondary consumer; they help control populations of insects (like grasshoppers) and small rodents. They are vulnerable to habitat loss and pesticide use (especially rodenticides).

Similar Species

Merlin (Falco columbarius) feathers are generally darker with less white; Sharp-shinned Hawk (Accipiter striatus) feathers have more regular, complete banding and different proportions.

Interesting Facts

Kestrels can see ultraviolet light, which allows them to track the urine trails of voles and other rodents that reflect UV light on the ground. They are also one of the few raptors that frequently use nest boxes.

Condition Notes

Good condition. The vanes are mostly intact with minimal fraying. There is no evidence of fault bars or significant sun bleaching, suggesting a relatively recent molt.

American Kestrel (Sparrow Hawk) | Feather Identifier