Puerto Rican Nightjar vs Archbold's Nightjar
Antrostomus noctitherus 비교 대상 Eurostopodus archboldi
Side-by-Side Comparison
| 속성 | Puerto Rican Nightjar | Archbold's Nightjar |
|---|---|---|
| 학명 | Antrostomus noctitherus | Eurostopodus archboldi |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Vulnerable | Least Concern |
| 체장 | — | — |
| 날개 폭 | 26.5 cm (10.4 in) | 41.0 cm (16.1 in) |
| 체중 | 35.99 g (1.27 oz) | 77.0 g (2.72 oz) |
| 식성 | Catches large flying insects, especially moths, at night over Puerto Rican dry limestone forest; endangered. | Aerial insectivore; catches moths and beetles in nocturnal flight over New Guinea montane forest. |
| 산란 수 | 1-2 | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Puerto Rican Nightjar
Sharp 'took' or 'took-WHEEER'; distinctive two-note call; calls from dry coastal forest of Puerto Rico; endangered; calls less frequently than mainland relatives
Archbold's Nightjar
Rarely recorded; presumed churring nocturnal song; low, resonant trilling typical of genus; vocalizations scarcely documented from highland New Guinea
Geographic Range & Migration
Puerto Rican Nightjar
Endemic to Puerto Rico; critically endangered resident of karst limestone scrub and dry forest in the southwestern part of the island.
Archbold's Nightjar
Resident of montane forest in central New Guinea (Snow Mountains and Star Mountains) above 1,500 m; very poorly known.
보전 상태
Puerto Rican Nightjar
Archbold's Nightjar
How to Tell Them Apart
Puerto Rican Nightjar
Small; grey-brown and buff mottled above with dark vermiculations; white gorget in male; pale buff barred underparts; white outer tail spots in male; buff tail in female; critically small range …
Archbold's Nightjar
Brown and dark grey with rufous-buff vermiculations; whitish throat patch; pale buff supercilium contrasts with darker crown; no white wing or tail patches; tail barred; New Guinea highlands; few records.
About These Birds
Puerto Rican Nightjar
푸에르토리코 나이트자는 푸에르토리코에 서식하는 매우 희귀한 고유종 나이트자입니다. 석회암 지대와 건조한 숲에만 서식하며, 개체 수가 매우 적어 멸종위기에 처해 있습니다.
Archbold's Nightjar
뉴기니아 아고산 초원과 숲에 서식하는 소형 쏙독새(~77g). 아치볼드야행소쏙독새라고도 불린다. 관심필요종.