Nest Description
The inner bowl measures up to 8 inches around and 2.75 inches deep. Both partners line the bowl with fresh, leafy twigs, grass, hay, weed stalks, or bark; the lining can include cow dung or wool. Swainson's Hawks may reuse a nest from a previous year, or refurbish a crow, raven, or magpie nest.
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The Swainson's hawk (Buteo Swainsoni) was listed as a threatened species in 1983 by the California Fish and Game Commission. This listing was based on loss ...