Chuck-will's-widow
Antrostomus carolinensis
Large night bird with a remarkably big head. Plumage is variable, ranging from grayish to strikingly rufous, but always intricately patterned. Very similar to Whip-poor-will but larger, longer-winged, and more rufous. Chuck-will’s-widow has less white in the tail than Whip-poor-will, but can be difficult to see. Strictly nocturnal, more often heard than seen. Listen for a loud whistled song calling its name: "chuck-WILL'S-widow." Sometimes found roosting on low branches during the daytime, especially during migration. Found in forests with mix of pines and deciduous trees.
Identification
The chuck-will's-widow has a short bill and a long tail typical of the nightjars. It has mottled brownish underparts, a buff throat, reddish-brown feathers lined with black, and brown and white patterning on head and chest. Males have patches of white on their outer tail feathers. It is the largest nightjar in North America. In length, it ranges from 28 to 33 cm (11 to 13 in). The wingspan can range from 58 to 66 cm (23 to 26 in). The body mass of the species is from 66 to 188 g (2.3 to 6.6 oz). Among standard measurements, the wing chord is 20.1 to 22.5 cm (7.9 to 8.9 in), the tail is 13 to 15.1 cm (5.1 to 5.9 in), the bill is 1.1 to 1.4 cm (0.43 to 0.55 in) and the tarsus is 1.5 to 1.9 cm (0.59 to 0.75 in).<p>The repetitive song is often heard at night. It consists of a series of calls with a vibrating middle note between two shorter notes, not much shifting in pitch. It is slower, lower-pitched and less piercing than the song of the whip-poor-will.
Taxonomy
The chuck-will's-widow was formally described in 1789 by the German naturalist Johann Friedrich Gmelin in his revised and expanded edition of Carl Linnaeus's Systema Naturae. He placed it with all the other nightjars in the genus Caprimulgus and coined the binomial name Caprimulgus carolinensis. Gmelin based his description on those of earlier authors including the "Goat-sucker of Carolina" that had been described and illustrated by the English naturalist Mark Catesby in his The Natural History of Carolina, Florida and the Bahama Islands that was published between 1729 and 1732. Chuck-will's-widow is now placed with 11 other species in the genus Antrostomus that was erected by the French naturalist Charles Bonaparte in 1838. The generic name combines the Ancient Greek antron meaning "cavern" and stoma meaning "mouth". The specific epithet carolinensis is from the toponym Carolina. The type locality is South Carolina. The species is monotypic: no subspecies are recognised.<p>The common English name "chuck-will's-widow " is an onomatopoeia from the bird's song. Alternative names include "chuckwuts-widow" and "chip-fell-out-of-a-oak".<p>This bird is sometimes confused with the better-known whippoorwill (Antrostomus vociferus), because of their similar calls and unusual names. Though rather closely related, they are two distinct species.
- Scientific name
- Antrostomus carolinensis
- Authority
- (Gmelin, JF, 1789)
- Order
- Caprimulgiformes
- Family
- Caprimulgidae
- Genus
- Antrostomus
Range and habitat
Breeding range: NA : e USA. Non-breeding range: MA, SA.
- Breeding range
- NA : e USA
- Non-breeding range
- MA, SA
- Migration
- Complete migrants
Behavior
Migration pattern: Complete migrants.
Conservation
Population trend: declining.
- Population trend
- declining
Photos
Distribution
Bird Calls
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