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Loggerhead Shrike: Medium shrike with gray upperparts and paler gray underparts. Mask is black and throat is white. Bill is heavy and slightly hooked. Wings are black with white patches. Tail is long, black, and white-edged. Low, swift flight, alternates rapid wing beats with wings pulled to sides.
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Lazuli Bunting: Small finch, bright blue upperparts, cinnamon-brown breast and sides, white belly. Dark wings with white wing bar. Forages on ground, low in trees and bushes. Eats seeds, insects, caterpillars. Short flights, alternates rapid wing beats with brief periods of wings pulled to sides.
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Long-billed Curlew: Very large sandpiper with brown mottled upperparts, buff-brown underparts with dark streaks and spots. Bill is very long, decurved. Cinnamon-brown underwings visible in flight. Feeds by probing mud with bill or dunking head under water. Direct flight, steady, strong wing beats.
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Little Stint: This medium-sized sandpiper has scaled-brown upperparts and white underparts. The face, neck and breast are rust-brown with black spots. The back has white lines that form a V-pattern in flight. It has a black bill, legs and feet. It feeds by pecking at the surface and probing mud with its bill for small invertebrates. It has a direct flight with rapid wing beats. Sexes are similar.
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Laughing Gull: This medium-sized gull has a gray back, white underparts and neck, a black hood and red bill. The wings are gray and white-edged, and black at the tips; tail is white. The legs and feet are black. Diet includes insects, fish, shellfish and crabs. It has a slow flight with deep wing beats and soars on updrafts. It is named for its laughter-like call. Sexes are similar.
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LeConte's Sparrow: Small sparrow, brown-streaked back, brown-streaked gray nape, pale gray underparts with streaks on sides, pale yellow breast. Head is flat with brown stripes. Face is pale yellow-orange with gray cheeks. Legs, feet are pink-brown.
Name changed in 2017 from Le Conte's Sparrow to LeConte's Sparrow.
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Lark Sparrow: Medium sparrow with streaked, gray-brown upperparts and buff underparts with black breast spot. Head has black, white, and chestnut-brown stripes. Tail is long and black with white edges. Short, fluttering flight, alternates rapid wing beats with wings pulled to sides.
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Leach's Storm-Petrel: This medium-sized petrel has a dark brown body and a white rump and under tail feathers. The wings are dark with a pale gray-brown bar on the upper wings. It has a long, dark forked tail, and a black bill, legs and feet. Its flight is bounding and erratic with frequent changes of direction and speed. It mainly feeds on fish, squid and shrimp. Sexes are similar.
The Leach's Storm-Petrel now has two subspecies, the Townsend's Storm-Petrel and Ainley's Storm-Petrel. Split in 2016 by the American Ornithologist Union. Both are outside of North America.
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Lark Bunting: Large sparrow, nearly black with large white wing patches, short, white-edged tail, and heavy, blue-gray bill. Forages in groung, low vegetation. Strong flight, alternates shallow wing beats with brief periods of wings pulled to sides. It is the state bird of Colorado.
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