Antillean Nighthawk vs Common Poorwill
Chordeiles gundlachii so với Phalaenoptilus nuttallii
Side-by-Side Comparison
| Thuộc Tính | Antillean Nighthawk | Common Poorwill |
|---|---|---|
| Tên Khoa Học | Chordeiles gundlachii | Phalaenoptilus nuttallii |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Caprimulgidae | Caprimulgidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 34,2 cm (13.5 in) | 28,8 cm (11.3 in) |
| Khối Lượng | 56,05 g (1.98 oz) | 46,45 g (1.64 oz) |
| Chế Độ Ăn | Catches flying insects in aerial sallies over Caribbean open country and coastal scrub at dusk. | Catches moths, beetles, and flying insects on short sallies near ground; only bird known to … |
| Số Trứng | 1-2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Antillean Nighthawk only
Common Poorwill only
Song & Call Comparison
Antillean Nighthawk
Distinctive 'kill-and-dee-dick' or 'killydee'; buzzy nasal call audible overhead; faster and shorter phrasing than Common Nighthawk; Caribbean accent clear
Common Poorwill
Clear, whistled 'poor-WILL' with burry quality; sometimes 'poor-will-ip'; carries well across desert scrub; may call thousands of times in a night; males very persistent
Geographic Range & Migration
Antillean Nighthawk
Breeds in the Caribbean (Bahamas, Cuba, Cayman Islands, Jamaica) and Florida Keys; partially migratory within the Caribbean region.
Common Poorwill
Resident of arid scrub, sagebrush, and chaparral in western North America from British Columbia south to central Mexico; only hibernating bird.
Tình Trạng Bảo Tồn
Antillean Nighthawk
Common Poorwill
How to Tell Them Apart
Antillean Nighthawk
Brown and buff mottled above with dark brown streaking; white throat patch in male; barred buff-white underparts; white wing bar across primaries; white tail band in male; female has buff …
Common Poorwill
Grey-brown and buff mottled with dark vermiculations; white throat patch bordered by dark collar; pale buff and dark barred underparts; white tips on outer tail feathers; no white wing patches; …
About These Birds
Antillean Nighthawk
A small Caprimulgidae nighthawk (~56 g) of open scrub, savannas, and coastal habitats in the Caribbean from Cuba and Hispaniola to Puerto Rico and the Virgin Islands. Very similar to the Common Nighthawk but separated by voice. Migratory; winters in South America. Aerial insectivore; Least Concern.
Common Poorwill
A small Caprimulgidae nightjar (~46 g) of arid shrubland and rocky desert from southwestern Canada to central Mexico. The only bird known to enter true torpor for extended periods (weeks) as a winter survival strategy. Cryptic grey-brown plumage. Feeds on moths and beetles at night. Least Concern.