{# ════════════════════════════════════════════════════════════════════════ Side-by-side Comparison Table ════════════════════════════════════════════════════════════════════════ #}

Side-by-Side Comparison

属性	Western Koel	Thick-billed Cuckoo
学名	Eudynamys scolopaceus	Pachycoccyx audeberti
目	Cuculiformes	Cuculiformes
科	Cuculidae	Cuculidae
保全状況	Least Concern	Least Concern
体長	—	—
翼開長	39.3 cm (15.5 in)	44.1 cm (17.4 in)
体重	230.0 g (8.11 oz)	104.0 g (3.67 oz)
食性	--	--
一腹卵数	2-3	--
Population Trend	—	—

{# ════════════════════════════════════════════════════════════════════════ Visual Size Comparison ════════════════════════════════════════════════════════════════════════ #} {# ════════════════════════════════════════════════════════════════════════ Habitat Comparison ════════════════════════════════════════════════════════════════════════ #}

Habitat Comparison

共通生息地

🌲 Forest

Western Koel only

None

Thick-billed Cuckoo only

None

{# ════════════════════════════════════════════════════════════════════════ Song & Call Comparison ════════════════════════════════════════════════════════════════════════ #}

Song & Call Comparison

Western Koel

さえずり

Loud, far-carrying nasal call; distinctive penetrating notes audible through dense tropical forest. Vocalization pattern typical of this species in its native habitat.

Thick-billed Cuckoo

さえずり

Deep, hollow resonant booming; powerful low notes carrying through dense humid Southeast Asian forest.

{# ════════════════════════════════════════════════════════════════════════ Geographic Range & Migration ════════════════════════════════════════════════════════════════════════ #} {# ════════════════════════════════════════════════════════════════════════ Conservation Status Comparison ════════════════════════════════════════════════════════════════════════ #}

保全状況

Least Concern

Western Koel

Least Concern

Thick-billed Cuckoo

{# ════════════════════════════════════════════════════════════════════════ Identification Tips — How to Tell Them Apart ════════════════════════════════════════════════════════════════════════ #}

How to Tell Them Apart

Western Koel

羽毛

Shining Bronze-cuckoo: brilliant iridescent golden-green above; white barred below; bronze-green head; reddish eye; small size

Thick-billed Cuckoo

羽毛

Long-tailed Koel: males blue-black; females barred brown; very long tail; red eye; Pacific island koel; strongly dimorphic

{# ════════════════════════════════════════════════════════════════════════ About Each Bird (Descriptions) ════════════════════════════════════════════════════════════════════════ #}

About These Birds

Western Koel

南アジアに広く分布するカッコウで、独特の上昇音の鳴き声が特徴。托卵行動をとる。

Thick-billed Cuckoo

Thick-billed Cuckoo (Pachycoccyx audeberti) — 32–36 cm. Hawk-like; dark brown above; white below with fine dark streaking; thick, strongly curved bill. Inhabits woodland and savanna of East and Central Africa from Tanzania to Malawi and Mozambique. Brood parasite targeting helmet-shrikes (Prionops). Insectivore. Rare and locally distributed.

{# ════════════════════════════════════════════════════════════════════════ Related Comparisons ════════════════════════════════════════════════════════════════════════ #} {# ════════════════════════════════════════════════════════════════════════ More Birds in Family ════════════════════════════════════════════════════════════════════════ #}

More Birds to Explore

More from Cuculidae

Guira Cuckoo Guira guira Dark Hawk-Cuckoo Hierococcyx bocki Whistling Hawk-Cuckoo Hierococcyx nisicolor White-browed Coucal Centropus superciliosus All Cuculidae birds →

Explore the Nature FYI Family

🧬 SpeciesFYI

Species & Taxonomy

🦕 DinoFYI

6,000+ Dinosaurs

🐟 FishFYI

Fish & Marine Life

🌿 PlantFYI

379,000+ Plants