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During courtship, the male engages in an elaborate aerial display, circling the female with his throat puffed out while emitting a trilling call. [3] Female nighthawks do not build nests; instead, they lay their eggs directly on the ground. To shield their eggs from potential predators, the females rely on their natural camouflage. [2]
The female incubates the eggs during the day while both parents incubate it at night for approximately 19 to 21 days. The male is primarily in charge of protecting the nest from any predators or other intruders. the parents feed the chicks mainly insects until they are able to leave the nest in about 20 to 21 days.
The least nighthawk (Chordeiles pusillus), at 6.3 inches (15–19 cm) and 23 grams (0.81 oz), is the smallest of all Caprimulgiformes, while the Nacunda nighthawk (Chordeiles nacunda) is one of the largest nightjars in the world measuring at 11-13 inches (28–33 cm).
Nighthawks prefer to nest in edge and early successional habitats, making them one of only a handful of birds which will live and hunt in burned or clearcut patches of forest. [15] The common nighthawk is drawn into urban built-up areas by insects. [5] The common nighthawk is the only nighthawk occurring over the majority of northern North America.
The Antillean nighthawk migrates out of its breeding range after raising its young. It still remains unknown where the birds spend the winter. The two eggs are laid directly on bare ground - there is no nest. Incubation is performed largely by the female and lasts for about 20 days. Young fledge at about 20 days of age.
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Short-tailed nighthawk Conservation status Least Concern (IUCN 3.1) Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum: Chordata Class: Aves Clade: Strisores Order: Caprimulgiformes Family: Caprimulgidae Genus: Lurocalis Species: L. semitorquatus Binomial name Lurocalis semitorquatus (Gmelin, JF, 1789) Approximate range map of short-tailed nighthawk The short-tailed nighthawk ...
The band-tailed nighthawk is a nocturnal species, and is the most active during the late evening, early morning, and at night. During the day, it roosts near the ground in locations with dense thickets of bushes and trees. [10] The ecology and behaviour of this nighthawk is not well known, and there have been few dedicated studies [2] [5] [9]