Northern Shrike

The Northern Shrike is a predatory songbird that breeds in subarctic and boreal habitats of North America and winters across open country in temperate regions. It closely resembles the smaller Loggerhead Shrike but is slightly larger, paler, and typically shows fine barring on the underparts, especially in immature birds.

Flight feathers: black with a white patch at the base of the primaries, similar to the Loggerhead Shrike but on a larger frame. Tail feathers: black with white outer edges. Body feathers: pale gray above, whitish below with faint fine barring, especially on the flanks and breast, and a black mask that is often narrower and does not extend as far across the base of the bill as in the Loggerhead Shrike. The bill is also proportionately larger and shows a more pronounced hook. Compared to Loggerhead Shrike feathers, Northern Shrike feathers appear paler gray, larger, and show subtle vermiculated barring below.

Sexes are similar. Adults are pale gray above with faint barring on white underparts, a black mask, and black wings and tail marked with white. Juveniles and first-winter birds show more extensive brownish tinge and heavier barring below, gradually molting toward the cleaner adult pattern over their first year. There is little seasonal plumage variation beyond feather wear.

Northern Shrikes breed in open boreal forest, scrubby tundra edges, and taiga across northern North America and Eurasia (where it is often treated as part of the Great Grey Shrike complex). In winter, they move south into open farmland, grassland, and shrubby habitats, sometimes overlapping with the resident Loggerhead Shrike.

This shrike hunts from prominent perches, taking large insects, small mammals, and small birds, often impaling prey on thorns or barbed wire to cache it for later consumption. Nests are built in dense conifers or shrubs on the breeding grounds. Its calls include harsh, grating notes, and its song is a mix of warbled phrases and mimicked sounds, generally quieter and less frequently heard on the wintering grounds.