
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
- Symmetrical, broad with a rounded tip, tapering significantly towards the calamus (base)
- Size
- Approximately 2.5 to 3 inches in length; typical for kestrel body contour feathers which range from 1 to 4 inches
- Rarity
- Common (regularly encountered in appropriate habitat)
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Description
This feather belongs to the smallest falcon in North America. The American Kestrel is a colorful raptor, with males sporting blue-grey wings and females showing more rufous tones. Both have two distinct black vertical 'mustache' stripes on a white face. They are known for their ability to hover while hunting for insects and small mammals.
Colour & Pattern
Muted brownish-grey base transitioning into a warm rufous (rusty-red) wash toward the tip, featuring a distinct black subterminal band and a pale buff/off-white terminal fringe
Barb Structure
Mixed: Pennaceous at the distal tip (interlocked); highly plumulaceous (fluffy/downy) through the middle and proximal sections to provide insulation
Texture & Surface
Extremely soft and silky, especially at the plumulaceous base; the terminal end is flat and slightly matte
Key Features
Rufous coloration combined with a sharp black subterminal band and a light tip; small size and high proportion of downy barbules
Habitat
Open landscapes including grasslands, meadows, deserts, parklands, and agricultural fields; often seen on wires or hovering
Geographic Range
Common year-round resident throughout much of North and South America; northern populations migrate to the southern U.S. and Central America for winter
Ecological Role
Important secondary predator that controls populations of grasshoppers, mice, and small birds; they rely on woodpecker holes for nesting
Similar Species
Mourning Dove (lacks the rufous and black banding combo), Northern Flicker (feathers usually have yellow or red shafts and bolder dots), Sharp-shinned Hawk (larger and lacks the rufous-to-black terminal pattern)
Interesting Facts
Kestrels are one of the few raptors that can see ultraviolet light, allowing them to track the urine trails of voles; they are also known to cache extra food in tree cavities or fence posts
Condition Notes
Fair to Good; shows significant separation of barbs (fraying) likely due to environmental handling or being a molted specimen; the tip is somewhat worn but diagnostic colors remain