Olive Long-tailed Cuckoo vs Sulawesi Cuckoo
Cercococcyx olivinus مقارنةً بـ Cuculus crassirostris
Side-by-Side Comparison
| السمة | Olive Long-tailed Cuckoo | Sulawesi Cuckoo |
|---|---|---|
| الاسم العلمي | Cercococcyx olivinus | Cuculus crassirostris |
| الرتبة | Cuculiformes | Cuculiformes |
| الفصيلة | Cuculidae | Cuculidae |
| حالة الحفاظ | Least Concern | Least Concern |
| الطول | — | — |
| طول الجناح | 27,8 cm (10.9 in) | 41,2 cm (16.2 in) |
| الوزن | 65,83333333333333 g (2.32 oz) | 85,0 g (3.00 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | -- | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Olive Long-tailed Cuckoo
Loud, far-carrying resonant call; deep hollow notes given repeatedly from dense forest canopy. Vocalization pattern typical of this species in its native habitat.
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.
حالة الحفاظ
Olive Long-tailed Cuckoo
Sulawesi Cuckoo
How to Tell Them Apart
Olive Long-tailed Cuckoo
Olive Long-tailed Cuckoo: olive-brown above; pale buff below; very long graduated dark tail; red eye; olive coloration diagnostic
Sulawesi Cuckoo
Sulawesi Cuckoo: dark gray-brown above; pale below; long dark tail; yellow orbital ring; Sulawesi endemic; larger than most Cuculus
About These Birds
Olive Long-tailed Cuckoo
Olive Long-tailed Cuckoo (Cercococcyx olivinus) — 28–32 cm. Olive-brown above; pale buff below with faint barring; long tail. Found in montane and submontane forest of West and Central Africa. Brood parasite. Insectivore. Poorly known; locally rare.
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.