Olive Long-tailed Cuckoo vs African Emerald Cuckoo

Cercococcyx olivinus เปรียบเทียบกับ Chrysococcyx cupreus

Side-by-Side Comparison

คุณสมบัติ Olive Long-tailed Cuckoo African Emerald Cuckoo
ชื่อวิทยาศาสตร์ Cercococcyx olivinus Chrysococcyx cupreus
อันดับ Cuculiformes Cuculiformes
วงศ์ตระกูล Cuculidae Cuculidae
สถานะการอนุรักษ์ Least Concern Least Concern
ความยาว
กว้างปีก 27.8 cm (10.9 in) 21.1 cm (8.3 in)
น้ำหนัก 65.83333333333333 g (2.32 oz) 38.0 g (1.34 oz)
อาหาร -- --
จำนวนไข่ -- --
Population Trend

Habitat Comparison

ถิ่นที่อยู่อาศัยร่วมกัน

ไม่มี

Olive Long-tailed Cuckoo only

African Emerald 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.

African Emerald Cuckoo

เสียงร้อง

Deep, hollow resonant booming call; powerful low notes carrying far through dense tropical forest. Vocalization pattern typical of this species in its native habitat.

สถานะการอนุรักษ์

Least Concern

Olive Long-tailed Cuckoo

Least Concern

African Emerald 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

African Emerald Cuckoo

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.

African Emerald Cuckoo

African Emerald Cuckoo (Chrysococcyx cupreus) — 20–22 cm. Male: dazzling emerald green above and on breast; yellow belly; red bill. Female: bronze-green above; rufous-barred below. Inhabits primary forest and dense secondary growth across West and Central Africa. Brood parasite targeting sunbirds and other small passerines. Insectivore.

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