Red Goshawk

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Habitat: Woodland, Forest

Habitat

The Red Goshawk inhabits tropical and warm-temperate forests and woodlands, usually near permanent water, often at the boundary between two vegetation types. They nest in tall, old-growth trees with horizontal limbs that can support large stick nests and hunting perches. In northern Australia, favoured sites include tall Darwin Stringybark woodlands on plateaus and rises, and Weeping Paperbarks along creeks and ephemeral waterways. Such specialised requirements make Red Goshawks vulnerable to habitat loss and fragmentation.

Behaviour

Adult Red Goshawks are most active early and late in the day, often roosting quietly in dense shade at midday. Although Red Goshawk often spend much time obscured among the foliage of trees, they are usually seen soaring over forests and swamps, or gliding back and forth, low across open areas and the edges of forests. It hunts mainly medium-sized birds, but also takes reptiles, small mammals, and insects.

Pairs hold large, year-round territories and are probably monogamous. Courtship involves soaring and display flights, mutual calling, and food exchange.

Juvenile goshawks may disperse widely, sometimes travelling for hundreds of kilometres away from their natal area.

Feeding

The Red Goshawk is a specialist bird-hunter, targeting lorikeets, kookaburras and cockatoos; they occasionally take other types of prey, but these comprise a miniscule proportion of their diet. Females capture larger prey than males, with prey size increasing later in the breeding season. Attacks are swift and varied – diving onto prey from height, tail-chasing birds beneath the canopy, or striking prey in mid-air.

Breeding

Breeding occurs mainly during the dry season (June-November). Nests – large platforms of sticks, lined with twigs and fresh eucalyptus leaves – are built high in tall, old-growth trees. Building can take several weeks, and nests may be reused in successive years. Laying one or two bluish-white eggs, the female incubates them for up to 43 days while the male feeds her. Both parents feed the chicks until fledging. The young are mostly fed by the female, but most of the food is provided by the male. The young fledge after 7-8 weeks but remain dependent on their parents for several months. Breeding success is low, with pairs fledging about one chick per season.

Red Goshawks are difficult to distinguish from other species of raptors in flight, and may be confused with Square-tailed Kites, female Swamp Harriers, larger rufous Brown Falcons, and potentially also juvenile Spotted Harriers and dark-morph Little Eagles.