Grey Kestrel
Falco ardosiaceus
The Grey Kestrel is a small, uniformly slate-grey falcon of West and Central African savanna, notably plain in plumage compared to most other kestrels.
- Feather type
- Slim pointed flight feathers; uniformly toned contour feathers
- Colours
- Uniform slate-grey throughout with yellow bare parts
- Bird size
- Small falcon, ~30-33 cm
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Overview
The Grey Kestrel occupies savanna, farmland, and palm groves across West and Central Africa, often perching conspicuously on exposed branches, poles, or palm fronds. Unlike most kestrels, which show rufous or barred backs, it is almost entirely plain slate-grey, offset by a bright yellow cere and legs in life.
Feathers found near open savanna perches or palm groves within its West/Central African range, showing a uniform grey tone, are a good match for this species.
IUCN status: Least Concern, being fairly common and widespread within its range.
Identifying the Feather
Recognizing Grey Kestrel feathers
- Flight feathers: Uniform slate-grey with little to no barring.
- Tail feathers: Slate-grey, unmarked or with only very faint banding.
- Body feathers: Back, breast, and belly feathers all uniform slate-grey, without the rufous back or spotted underside typical of many other kestrels.
- Shaft color: Grey.
- Compared to similar species: The lack of rufous coloring or barring anywhere on the body distinguishes it clearly from the rufous-backed Rock Kestrel or Greater Kestrel; smaller than the similarly plain-grey Dickinson's Kestrel, which shows a paler, more scaled back.
Plumage & Molt
Adults are almost uniformly slate-grey over the entire body, with a bright yellow cere, eye-ring, and legs contrasting in life. Sexes look alike. Juveniles are slightly browner-grey with faint barring that is lost with maturity, reaching the plain adult plumage within their first year.
Habitat & Range
Found across West and Central African savanna, farmland, and palm groves, generally in more wooded or semi-open habitat than some other African kestrels. Resident throughout its range.
Behavior & Field Notes
Hunts mainly large insects and small vertebrates from a perch, dropping to the ground rather than hovering extensively like some kestrels. Nests in tree cavities, old nests, or palm crowns. Calls include high, shrill chattering notes. A uniformly slate-grey feather with no rufous or barred markings, found in West or Central African savanna or palm habitat, is consistent with this species.
Frequently asked questions
What makes Grey Kestrel feathers distinctive?
Their uniform slate-grey color throughout, without the rufous back or spotted underside seen in most other kestrels, is the key identifying feature.
Does the Grey Kestrel hover like the Common Kestrel?
It hunts more often from a perch than by extended hovering, unlike the Common or Nankeen Kestrel.
Where is the Grey Kestrel found?
Across savanna, farmland, and palm groves of West and Central Africa.
How is a Grey Kestrel feather different from a Dickinson's Kestrel feather?
Grey Kestrel feathers are uniformly slate-grey, while Dickinson's Kestrel shows a paler, finely scaled back pattern.
Grey Kestrel guides
In-depth guides for identifying and understanding Grey Kestrel.
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