Black-shouldered Kite

About

The Black-shouldered Kite is a small, elegant raptor native to Australia, characterized by its striking white and grey plumage with prominent black patches on its shoulders. It is renowned for its distinctive hovering flight while hunting.

Size & lifespan

Length

33-38 cm

Wingspan

80-95 cm

Weight

200-350 g

Lifespan

Up to 10 years in the wild

Diet

Carnivore (primarily small mammals, especially mice, but also large insects, small birds, and reptiles)

Physical characteristics

Plumage

Adults have pristine white underparts, head, and tail, with pale grey upperparts. The most distinctive feature is the prominent black patch on the leading edge of the underwing and the 'shoulder' (carpal joint) on the upperwing. The primary flight feathers are dark grey to black, contrasting with the paler grey upperwing coverts. The tail is square-tipped and white.

Beak shape

Small, sharply hooked black beak with a yellow cere.

Eye color

Bright red eyes, set in a black facial mask that extends from the eye to the beak.

Leg color

Bright yellow legs and feet.

Distinguishing features

Bright red eyes, prominent black 'shoulders', and a distinctive hovering flight. The white underparts and pale grey upperparts are key.

Juvenile appearance

Juveniles have a brownish wash on the head and breast, with rufous-brown mottling on the upperparts and wing coverts. The black shoulder patches are present but may be less sharply defined. The eyes are initially yellowish-brown, gradually turning red with age.

Seasonal changes

No significant seasonal plumage changes. Plumage remains consistent year-round.

Sexual dimorphism

Males and females are generally similar in plumage and size, though females may be slightly larger on average.

How to identify

1. 1

   Plumage

   Look for the stark contrast of pure white underparts and head against pale grey upperparts. The most crucial mark is the prominent black patch on the 'shoulder' (carpal joint) of the upperwing and the leading edge of the underwing.

2. 2

   Eyes

   The bright red eyes are a key identifier, especially in adults, contrasting with the black facial mask.

3. 3

   Flight Style

   Observe its characteristic hovering flight, often facing into the wind, with rapid wing beats. It will often drop silently onto prey.

4. 4

   Size and Shape

   A relatively small, slender raptor with long, pointed wings and a short, square tail. Appears very elegant in flight.

5. 5

   Legs and Feet

   Bright yellow legs and feet are visible when perched or in flight.

Habitat & range

Biomes

Grasslands, open woodlands, agricultural areas, savannas, and suburban parks.

Geographic range

Endemic to mainland Australia, including Tasmania, though less common in dense forests and arid deserts.

Elevation range

Typically found from sea level up to 1,000 meters, occasionally higher.

Preferred environments

Open country with scattered trees or tall perches for hunting and roosting. Often found near agricultural fields, pastures, and along roadsides where prey is abundant.

Behavior

Activity time

Diurnal, most active during the day, particularly in the early morning and late afternoon.

Feeding habits

Primarily a diurnal hunter, specializing in small rodents. It employs a characteristic hovering flight, often at heights of 10-30 meters, scanning the ground for prey. Once prey is spotted, it drops silently with wings held high, often pouncing with precision. It may also hunt from a perch. Pellets containing indigestible material are regurgitated.

Social behavior

Generally solitary or found in pairs. During periods of high prey abundance, loose aggregations may form at communal roosts. They are territorial during the breeding season.

Flight pattern

Graceful and buoyant flight, often characterized by sustained hovering with rapid wing beats, facing into the wind. When not hovering, it glides on upswept wings, often appearing to 'float' in the air.

Migration pattern

Mostly resident, but can be nomadic in response to prey availability, particularly rodent outbreaks. Local movements are common, especially for younger birds dispersing from natal areas.

Territoriality

Pairs defend a breeding territory, especially around the nest site. Non-breeding birds may be less territorial.

Breeding & reproduction

Breeding season

Highly opportunistic, breeding can occur at any time of year, but typically peaks after good rains or when prey populations are high, often from August to January in southern Australia and March to May in northern Australia.

Nesting habits

Nests are typically built in the canopy of a tall tree, often an isolated one, 5-20 meters above the ground. The nest is a relatively small, untidy platform of sticks, lined with green leaves, grass, or bark. Both sexes contribute to nest building.

Clutch size

2-5 eggs

Egg description

2-5 (usually 3-4) eggs, dull white to creamy-white, often with reddish-brown blotches or spots, particularly at the larger end. Eggs are oval-shaped.

Incubation period

Approximately 29-34 days, primarily by the female, with the male providing food.

Fledging period

Chicks fledge around 33-38 days after hatching. They remain dependent on parents for several weeks after fledging.

Parental care

Both parents care for the young. The female incubates and broods, while the male provides most of the food during this period. After hatching, both parents hunt and feed the chicks.

Where to find

Field tips

1. Look for hovering birds. Scan open areas for birds hovering motionless in the air, often facing into the wind. This is their signature hunting technique.
2. Check prominent perches. They often perch conspicuously on dead trees, power poles, or fence posts, surveying their hunting grounds.
3. Listen for calls. Their high-pitched 'chee-chee-chee' call can draw attention, especially during the breeding season or when disturbed.
4. Observe during rodent outbreaks. During periods of high rodent populations, Black-shouldered Kites can be particularly numerous and active.

Similar species

Quick facts

Primary Prey:

Mice and other small rodents

Hunting Style:

Hovering specialist

Eye Color:

Bright red (adults)

Distribution:

Endemic to Australia

Conservation Status:

Least Concern

Fun facts

• The Black-shouldered Kite is one of the few raptors that regularly hovers, a technique it shares with some kestrels.
• Its population can fluctuate dramatically in response to 'mouse plagues', increasing rapidly during these events due to abundant food.
• Despite its name, it is not closely related to true kites (genus Milvus) but is part of the Elanus genus, which includes other 'white-tailed' or 'black-shouldered' kites found globally.
• The bright red eyes are a striking feature and help distinguish it from other pale raptors.

Scientific classification

Kingdom

Animalia

Phylum

Chordata

Class

Aves

Order

Accipitriformes

Family

Accipitridae

Genus

Elanus

Species

Elanus axillaris

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