Dusky Nightjar vs Antillean Nighthawk
Antrostomus saturatus comparé à Chordeiles gundlachii
Side-by-Side Comparison
| Attribut | Dusky Nightjar | Antillean Nighthawk |
|---|---|---|
| Nom scientifique | Antrostomus saturatus | Chordeiles gundlachii |
| Ordre | Caprimulgiformes | Caprimulgiformes |
| Famille | Caprimulgidae | Caprimulgidae |
| Statut de conservation | Least Concern | Least Concern |
| Longueur | — | — |
| Envergure | 28,9 cm (11.4 in) | 34,2 cm (13.5 in) |
| Poids | 51,95 g (1.83 oz) | 56,05 g (1.98 oz) |
| Régime alimentaire | Nocturnal aerial insectivore; hawks moths and beetles over Costa Rican and Panamanian forest. | Catches flying insects in aerial sallies over Caribbean open country and coastal scrub at dusk. |
| Taille de la couvée | 1 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Dusky Nightjar
Soft, repeated 'wherrr-wherrr'; gentle churring whistle from Costa Rican highlands; calls from cloud forest at night; moderate pace with slight upward inflection
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
Dusky Nightjar
Resident of highland forest and forest edge in Costa Rica and western Panama, at 1,000–2,500 m; closely tied to Chirripó massif.
Antillean Nighthawk
Breeds in the Caribbean (Bahamas, Cuba, Cayman Islands, Jamaica) and Florida Keys; partially migratory within the Caribbean region.
Statut de conservation
Dusky Nightjar
Antillean Nighthawk
How to Tell Them Apart
Dusky Nightjar
Darker and more saturated than related nightjars; dark brown-grey with buff mottling and dark vermiculations; white gorget in male; pale buff barred underparts; small white outer tail spots; Costa Rican …
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
Dusky Nightjar
A medium-small Caprimulgidae nightjar (~52 g) of montane forest and forest edges in Costa Rica and western Panama above 900 m. Dark sooty-brown plumage with faint paler barring. Calls with a repeated churring phrase at night. Feeds on flying insects in montane cloud forest. Least Concern; range restricted but stable.
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.