Sulawesi Cuckoo vs Saint Helena Cuckoo
Cuculus crassirostris so với Nannococcyx psix
Side-by-Side Comparison
| Thuộc Tính | Sulawesi Cuckoo | Saint Helena Cuckoo |
|---|---|---|
| Tên Khoa Học | Cuculus crassirostris | Nannococcyx psix |
| Bộ | Cuculiformes | Cuculiformes |
| Họ | Cuculidae | Cuculidae |
| Tình Trạng Bảo Tồn | Least Concern | Extinct |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 41,2 cm (16.2 in) | — |
| Khối Lượng | 85,0 g (3.00 oz) | 171,0 g (6.03 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | -- | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Sulawesi Cuckoo
Loud, raucous call with harsh quality; penetrating notes carrying through dense forest in Asia. Vocalization pattern typical of this species in its native habitat.
Saint Helena Cuckoo
Loud, far-carrying raucous call; harsh penetrating notes given from dense island forest canopy. Vocalization pattern typical of this species in its native habitat.
Tình Trạng Bảo Tồn
Sulawesi Cuckoo
Saint Helena Cuckoo
How to Tell Them Apart
Sulawesi Cuckoo
Sulawesi Cuckoo: dark gray-brown above; pale below; long dark tail; yellow orbital ring; Sulawesi endemic; larger than most Cuculus
Saint Helena Cuckoo
Saint Helena Cuckoo: extinct; brown above; pale below; long graduated tail; island cuckoo; known only from subfossil remains
About These Birds
Sulawesi Cuckoo
Sulawesi Cuckoo (Cuculus crassirostris) — 30–34 cm. Dark grey above; pale below with bold brown-grey barring; heavier bill than most Cuculus. Endemic to Sulawesi in montane forest. Brood parasite. Insectivore. Poorly known.
Saint Helena Cuckoo
Saint Helena Cuckoo (Nannococcyx psix) — ~25 cm. Extinct. Known only from subfossil remains from Saint Helena, South Atlantic. A small cuckoo inferred from bone morphology; likely became extinct following human colonisation of the island in the 16th century and the introduction of predators.