Common Kestrel vs Oriental Stork
Falco tinnunculus compared with Ciconia boyciana
Side-by-Side Comparison
| Attribute | Common Kestrel | Oriental Stork |
|---|---|---|
| Scientific Name | Falco tinnunculus | Ciconia boyciana |
| Order | Falconiformes | Ciconiiformes |
| Family | Falconidae | Ciconiidae |
| Conservation Status | Least Concern | Endangered |
| Length | 34.0 cm (13.4 in) | 115.0 cm (45.3 in) |
| Wingspan | 74.0 cm (29.1 in) | 220.0 cm (86.6 in) |
| Weight | 190.0 g (6.70 oz) | 5000.0 g (176.37 oz) |
| Diet | Primarily voles and mice, also lizards, large insects, and small birds. Hunts by hovering at … | Fish, frogs, snakes, large insects, and small mammals caught in shallow wetlands. Feeds by wading … |
| Clutch Size | 1-7 | 2-6 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Common Kestrel
Open country including farmland, grasslands, moorland, and urban areas. Common along motorways and in cities across Europe.
Oriental Stork
Wetlands, flooded rice paddies, rivers, and marshes. Nests on tall trees, utility poles, and artificial platforms.
Song & Call Comparison
Common Kestrel
A shrill, repeated 'kee-kee-kee-kee' or 'kik-ik-ik', especially near nest. Alarm call is a nasal chattering. Generally less vocal than larger falcons. Calls ring clearly in open country.
Oriental Stork
Essentially silent like all storks; produces loud mechanical bill-clattering at the nest as a greeting display. Chicks beg with hissing and squeaking. Rarely vocalizes otherwise.
Geographic Range & Migration
Common Kestrel
Europe, Asia, and Africa. One of the most common and widespread raptors in the Old World.
Oriental Stork
Breeds in the Russian Far East and northeastern China. Winters in southeastern China, Japan, and Korea.
Conservation Status
Common Kestrel
Oriental Stork
How to Tell Them Apart
Common Kestrel
Males have a blue-grey head and tail with a rufous back spotted with black. Females are rufous-brown with heavy barring. Both have a dark moustachial stripe.
Short, hooked grey bill with a yellow cere
Oriental Stork
White body plumage with black flight feathers. Red bare skin around the eye and black bill distinguish it from the white stork. Pinkish-red legs.
Long, thick, straight, black bill
About These Birds
Common Kestrel
The common kestrel is Europe's most abundant falcon, famous for its ability to hover motionless in the wind while scanning for prey. Research has shown kestrels can see ultraviolet light, allowing them to detect vole urine trails that reflect UV. The species has adapted remarkably well to urban environments.
Oriental Stork
The oriental stork is one of the most endangered stork species, with fewer than 3,000 individuals remaining in the wild. It was once widespread across East Asia but declined dramatically due to wetland drainage and pesticide use. Reintroduction programs in Japan and Korea have achieved notable success.