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Nankeen Kestrel

Did you know?

Extensive surveys placed the Nankeen Kestrel in the top ten most commonly seen birds; it was recorded in 95% of the survey sites located across the whole of Australia.

Facts and Figures
Research Species: 
No
Minimum Size: 
31cm
Maximum Size: 
36cm
Average size: 
34cm
Average weight: 
172g
Clutch Size: 
3 to 4 (occasionally, up to 7)
Conservation Status
Federal: 
Secure
NSW: 
Secure
NT: 
Secure
QLD: 
Secure
SA: 
Secure
TAS: 
Secure
VIC: 
Secure
WA: 
Secure
Basic Information
Scientific Name: 
Falco cenchroides
Atlas Number: 
240
What does it look like?
Description: 

The Nankeen Kestrel is a slender falcon and is a relatively small raptor (bird of prey). The upper parts are mostly rufous, with some dark streaking. The wings are tipped with black. The underparts are pale buff, streaked with black, and the under tail is finely barred with black, with a broader black band towards the tip. Females tend to be more heavily marked and have more rufous on the crown and tail. Males have a greyish crown and tail, although the extent varies between individuals. Females are larger than males. Young Nankeen Kestrels closely resemble the adult female, with heavier markings.

Similar species: 

Comparable raptors (birds of prey) are the similar-sized but stouter Australian Hobby, Falco longipennis (30 cm - 35 cm) which has blue-grey upper parts, red-brown underparts and a long, square-shaped tail, and the larger Brown Falcon, F. berigora (41 cm - 51 cm) which lacks the rich rufous colouring.

Where does it live?
Distribution: 

Nankeen Kestrels are found in most areas of Australia and are also found on islands along Australia's coastline, as well as New Guinea and Indonesia.

Habitat: 

Preferred habitats are lightly wooded areas and open agricultural regions and tend to be absent from dense forests. The Nankeen Kestrel's success as a bird of prey can be largely contributed to its tolerance for a wide variety of habitats and its ability to feed on a variety of foods and nest in a range of sites.

Seasonal movements: 

Some Nankeen Kestrels are partially migratory, others disperse in response to the availability of food and some are largely resident.

What does it do?
Feeding: 

The Nankeen Kestrel's diet is varied. It mainly feeds on small mammals, reptiles, small birds and a variety of insects. Prey is located from a perch or by hovering a short distance above the ground on rapid wing-beats, using its fan-shaped tail as a rudder and keeping the head and body kept still. Once prey is spotted, the bird drops nearer to the ground until it is close enough to pounce. Some insects and birds may be caught in mid-air or snatched from tree branches.

Breeding: 

The Nankeen Kestrel nests in a wide variety of sites, including tree hollows, caves, ledges on the outside of buildings, and occasionally on the ground. The nest consists of anything from a simple scrape in the dirt of a ledge or tree hollow, to a nest of sticks or mud that has been abandoned by another species of bird. Pairs of Nankeen Kestrels usually stay together over successive breeding seasons, and will often use the same nest site or territory year after year. Usually only one brood of young is raised in a year. The female does the bulk of the incubation, while the male supplies the food.

References: 
Field guide to the birds of Australia, 6th Edition
Field Guide to the Birds of Australia.
Reader's Digest Complete Book of Australian Birds
The Birds of Prey and Ground Birds of Australia.
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