In southern California the Lesser Nighthawk is an uncommon migrant and breeding bird in dry washes of the foothills and a common breeding bird in the desert. Migratory Behavior. This map animates weekly estimated relative abundance, defined as the expected count on an eBird Traveling Count starting at the optimal time of day with the optimal search duration and distance that maximizes detection of that species in a region on the specified date. Long, slender wings are marked by a white patch on the "hand" visible in flight from great distances. Latta, S. C. and M. E. Baltz (2020). Song: The song of a Lesser Nighthawk is a long, low pitched trilling whistle, all given at one pitch. Read on to test your knowledge base of the lesser nighthawk and its unique life history. The Lesser Nighthawk, however, is strictly a bird of warm areas of the southwestern U.S. and Mexico, preferring dry environments such as deserts and dry grasslands. Feeding. Migration. Steven C. Latta and Michael E. Baltz. The lesser nighthawk claims a secretive and enigmatic lifestyle at Site 300. The lesser nighthawk (Chordeiles acutipennis) is a nightjar found throughout a large part of the Americas. Food Selection and Storage. Common nighthawk Chordeiles minor. The Lesser Nighthawk is very similar to the Common Nighthawk, a bird found over much of the U.S. and Canada during the summer months. This widespread and familiar bird may hunt by day or night, catching flying insects in the air. The nest is placed on bare sand or gravel on the ground or occasionally The Common nighthawk is a migrant to Oregon with one of the longest migration distances of any North American bird. Migration: Birds in some parts of Mexico are likely permanent residents. Those that summer in the United States are nearly all migratory, with birds moving as far south as South America for the winter. Long-winged nocturnal bird which catches insects in flight often around dawn and dusk.
The adults are dark with brown, grey and white patterning on the upperparts and breast; the long upperwings are black and show a white bar in flight. The Lesser Nighthawk can be identified by its buoyant, erratic flight with deep wing beats. This bird is rarely observed, flying well below the avian radar in stark contrast to more glamorous species, such as the Western bluebird, which is hard to miss with its bright plumage and plentiful numbers.
Diet and Foraging. Timing and Routes of Migration. Migration. Lesser Nighthawk: Medium-sized nightjar with gray and white mottled upperparts, white throat, and brown and white mottled underparts with dark belly bars. It is based on birder sightings. Sighting Map by Month This map is intended to give a general idea of this birds migratory habits.

Wings are dark with conspicuous pale patches visible in flight. Control and Physiology of Migration. But those things are pretty subjective, and unless you have one of each side by side, it can be a tough call.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Lesser Nighthawk Images. Plus, the wing tips of a common nighthawk are more pointed than those of the lesser. Other. While migrating, these birds have been reported travelling through middle America, Florida, the West Indies, Cuba, the Caribbean and Bermuda, finally completing their journey in the wintering grounds of South America, primarily Argentina. The term "nighthawk", first recorded in the King James Version of 1611, was originally a local name in England for the European nightjar.Its use in the Americas refers to members of the genus Chordeiles and related genera was first recorded in 1778. Load Range by Month. It is light brown overall with white bars visible near the outer ends of its long, pointed wings in flight.
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