Olive Long-tailed Cuckoo vs Sulawesi Cuckoo

Cercococcyx olivinus เปรียบเทียบกับ Cuculus crassirostris

Side-by-Side Comparison

คุณสมบัติ Olive Long-tailed Cuckoo Sulawesi Cuckoo
ชื่อวิทยาศาสตร์ Cercococcyx olivinus Cuculus crassirostris
อันดับ Cuculiformes Cuculiformes
วงศ์ตระกูล Cuculidae Cuculidae
สถานะการอนุรักษ์ Least Concern Least Concern
ความยาว
กว้างปีก 27.8 cm (10.9 in) 41.2 cm (16.2 in)
น้ำหนัก 65.83333333333333 g (2.32 oz) 85.0 g (3.00 oz)
อาหาร -- --
จำนวนไข่ -- --
Population Trend

Habitat Comparison

ถิ่นที่อยู่อาศัยร่วมกัน

Olive Long-tailed Cuckoo only

ไม่มี

Sulawesi Cuckoo only

ไม่มี

Song & Call Comparison

Olive Long-tailed Cuckoo

เสียงร้อง

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

เสียงร้อง

Loud, raucous call with harsh quality; penetrating notes carrying through dense forest in Asia. Vocalization pattern typical of this species in its native habitat.

สถานะการอนุรักษ์

Least Concern

Olive Long-tailed Cuckoo

Least Concern

Sulawesi Cuckoo

How to Tell Them Apart

Olive Long-tailed Cuckoo

ขนนก

Olive Long-tailed Cuckoo: olive-brown above; pale buff below; very long graduated dark tail; red eye; olive coloration diagnostic

Sulawesi Cuckoo

ขนนก

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.

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