Lesser Nighthawk vs Sickle-winged Nightjar
Chordeiles acutipennis 비교 대상 Eleothreptus anomalus
Side-by-Side Comparison
| 속성 | Lesser Nighthawk | Sickle-winged Nightjar |
|---|---|---|
| 학명 | Chordeiles acutipennis | Eleothreptus anomalus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Least Concern | Vulnerable |
| 체장 | — | — |
| 날개 폭 | 33.0 cm (13.0 in) | 25.8 cm (10.2 in) |
| 체중 | 50.0 g (1.76 oz) | 43.7 g (1.54 oz) |
| 식성 | Hawks small flying insects at dusk and dawn over North and South American arid scrub … | Aerial insectivore; hawks moths and beetles at night over South American wet grassland and marshes. |
| 산란 수 | 1-2 | 2 |
| Population Trend | — | — |
Habitat Comparison
공유 서식지
없음
Lesser Nighthawk only
Sickle-winged Nightjar only
Song & Call Comparison
Lesser Nighthawk
Loud purring trill; buzzy 'brrrrr' given in flight; lower and softer than Common Nighthawk; males display with booming wingbeats; calls at dusk over deserts
Sickle-winged Nightjar
Soft churring call; low-pitched, repetitive trill from grassland; males produce distinctive wing noise in display flight; vocalizations quiet compared to wing sounds
Geographic Range & Migration
Lesser Nighthawk
Breeds in open arid scrub from southwestern USA south through Central America to western South America; winters in Mexico and northern South America.
Sickle-winged Nightjar
Resident of open marshland, wet grassland, and savanna from Paraguay and adjacent Bolivia south to Uruguay and northeastern Argentina.
보전 상태
Lesser Nighthawk
Sickle-winged Nightjar
How to Tell Them Apart
Lesser Nighthawk
Brown and buff mottled above; buff-white below with brown barring; white throat in male; white wing bar closer to wingtip than in Common Nighthawk; buff tail band. Female with buff …
Sickle-winged Nightjar
Male with extraordinarily elongated sickle-shaped outer primaries; dark brown with buff mottling; white throat and wing spots. Female brown with buff spots; normal wing shape; male wing shape unique among …
About These Birds
Lesser Nighthawk
소쏙독새(Chordeiles acutipennis)는 북아메리카 남부부터 남아메리카 북부까지 분포하는 야행성 새입니다. 날개에 흰 무늬가 있으며, 열린 서식지와 건조 지역을 선호합니다. 비행 중에 곤충을 포획합니다.
Sickle-winged Nightjar
작은 쏙독새과(~44g) 새로 남아메리카 남부의 습한 팜파 초원과 습지에 서식. 주로 야행성이며 날아다니는 곤충을 잡아먹는다. 취약종.