Guide to North American Birds

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Adult. Photo: Sandra Rothenberg/Audubon Photography Awards

Red-shouldered Hawk

Buteo lineatus

A hawk of the woodlands, often heard before it is seen. The clear whistled calls of this hawk are conspicuous, especially in spring; in the east, Blue Jays often give a near-perfect imitation of this call. Over much of eastern North America the Red-shoulder has become uncommon, sticking closely to the remaining forests. Populations in Florida and California are often more visible, perhaps adapting better to open habitats.

Conservation status	Far less numerous than historically in some areas, including upper midwest and parts of Atlantic Coast, but current populations thought to be stable in most regions.
Family	Hawks and Eagles
Habitat	Bottomland woods, wooded streamsides, swamps. In east, nests in deciduous and mixed forest, with tall trees and relatively open understory, often along rivers and swamps. May move into more open habitats in winter. In west, typically in riverside forest or in oak woodland, sometimes in eucalyptus groves. Florida birds may be in pine woods, mangroves.

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Feeding Behavior

Usually hunts by watching from a perch, either within forest or in open, swooping down when it locates prey. Sometimes flies very low in open areas, taking creatures by surprise. May use hearing as well as sight to locate prey.

Eggs

Usually 3-4, sometimes 2. Pale bluish-white, blotched with brown and lavender. Incubation is mostly by female, roughly 33 days. Male brings food to female at nest, and may take a turn sitting on eggs while female eats. Young: Female remains with young most of time for first 1-3 weeks after they hatch; male brings food, female feeds it to nestlings. Young leave the nest at about 5-7 weeks after hatching, and are fed by parents for another 8-10 weeks.

Young

Female remains with young most of time for first 1-3 weeks after they hatch; male brings food, female feeds it to nestlings. Young leave the nest at about 5-7 weeks after hatching, and are fed by parents for another 8-10 weeks.

Diet

Includes small mammals, amphibians, reptiles, birds. Diet varies with region and season. Main items often mammals such as voles and chipmunks, at other times frogs and toads; may eat many crayfish in some areas. Also eats snakes, small birds, mice, large insects, occasionally fish, rarely carrion.

Nesting

In courtship, male displays by flying upward, calling, then diving steeply. Pairs may soar together in circles, calling, high over nesting territory. Nest site is usually in deciduous tree, sometimes in conifer, located in fork of main trunk or at base of branches against trunk, usually 35-65' above ground. Nest (built by both sexes) is platform of sticks and other material, lined with bark, moss, and sprigs of green vegetation. Nest may be reused for more than one season.

Illustration © David Allen Sibley.
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Text © Kenn Kaufman, adapted from
Lives of North American Birds

Migration

Mostly a permanent resident in west and south; northern birds migrate, but do not travel far. Some movement in winter as far south as central Mexico.

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Migration

Mostly a permanent resident in west and south; northern birds migrate, but do not travel far. Some movement in winter as far south as central Mexico.

All Seasons - Common
All Seasons - Uncommon
Breeding - Common
Breeding - Uncommon
Winter - Common
Winter - Uncommon
Migration - Common
Migration - Uncommon

Songs and Calls

Shrill scream, kee-yeeear, with a downward inflection.

Audio © Lang Elliott, Bob McGuire, Kevin Colver, Martyn Stewart and others.
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How Climate Change Will Reshape the Range of the Red-shouldered Hawk

Audubon’s scientists have used 140 million bird observations and sophisticated climate models to project how climate change will affect this bird’s range in the future.

Zoom in to see how this species’s current range will shift, expand, and contract under increased global temperatures.

Climate threats facing the Red-shouldered Hawk

Choose a temperature scenario below to see which threats will affect this species as warming increases. The same climate change-driven threats that put birds at risk will affect other wildlife and people, too.