Pennant-winged Nightjar vs Antillean Nighthawk
Caprimulgus vexillarius в сравнении с Chordeiles gundlachii
Side-by-Side Comparison
| Характеристика | Pennant-winged Nightjar | Antillean Nighthawk |
|---|---|---|
| Научное название | Caprimulgus vexillarius | Chordeiles gundlachii |
| Отряд | Caprimulgiformes | Caprimulgiformes |
| Семейство | Caprimulgidae | Caprimulgidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 41,4 cm (16.3 in) | 34,2 cm (13.5 in) |
| Масса | 189,70000000000002 g (6.69 oz) | 56,05 g (1.98 oz) |
| Питание | Crepuscular forager targeting moths, termites, and large beetles; patrols forest edges and clearings at dusk. | Catches flying insects in aerial sallies over Caribbean open country and coastal scrub at dusk. |
| Размер кладки | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Общие среды обитания
Нет
Pennant-winged Nightjar only
Antillean Nighthawk only
Song & Call Comparison
Pennant-winged Nightjar
Melodic whistled churring; cleaner, more musical than most African nightjars; male's display call a repeated mellow whistle; calls at dusk across miombo woodland
Antillean Nighthawk
Distinctive 'kill-and-dee-dick' or 'killydee'; buzzy nasal call audible overhead; faster and shorter phrasing than Common Nighthawk; Caribbean accent clear
Geographic Range & Migration
Pennant-winged Nightjar
Found across sub-Saharan Africa from Guinea east to Ethiopia and south to Angola. Resident in dry savanna, open woodland, and Sahel scrubland.
Antillean Nighthawk
Breeds in the Caribbean (Bahamas, Cuba, Cayman Islands, Jamaica) and Florida Keys; partially migratory within the Caribbean region.
Охранный статус
Pennant-winged Nightjar
Antillean Nighthawk
How to Tell Them Apart
Pennant-winged Nightjar
Large; dark brown and black upperparts with white wing-covert spots; large white primary patches visible in flight; breeding males grow extraordinary white pennant-shaped ninth primary extensions reaching 50 cm; females …
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 …
About These Birds
Pennant-winged Nightjar
A spectacular nightjar (24-28 cm) of southern African open woodlands. Breeding males develop extraordinary elongated innermost primary feathers trailing as white pennants up to 60 cm long during courtship display flights. Nocturnal insectivore; a long-distance intra-African migrant.
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.