{# ════════════════════════════════════════════════════════════════════════
Song & Call Comparison
════════════════════════════════════════════════════════════════════════ #}
Song & Call Comparison
Western Koel
Canto
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
Canto
Deep, hollow resonant booming; powerful low notes carrying through dense humid Southeast Asian forest.
{# ════════════════════════════════════════════════════════════════════════
Geographic Range & Migration
════════════════════════════════════════════════════════════════════════ #}
{# ════════════════════════════════════════════════════════════════════════
Conservation Status Comparison
════════════════════════════════════════════════════════════════════════ #}
Estado de conservación
Least Concern
Western Koel
Least Concern
Thick-billed Cuckoo
{# ════════════════════════════════════════════════════════════════════════
Identification Tips — How to Tell Them Apart
════════════════════════════════════════════════════════════════════════ #}
How to Tell Them Apart
Western Koel
Plumaje
Shining Bronze-cuckoo: brilliant iridescent golden-green above; white barred below; bronze-green head; reddish eye; small size
Thick-billed Cuckoo
Plumaje
Long-tailed Koel: males blue-black; females barred brown; very long tail; red eye; Pacific island koel; strongly dimorphic
{# ════════════════════════════════════════════════════════════════════════
About Each Bird (Descriptions)
════════════════════════════════════════════════════════════════════════ #}
Koel asiático, 42-46 cm. Macho negro brillante con ojos rojos; hembra parda moteada. Ampliamente distribuido en Asia del Sur y Sudeste Asiático. Parásito de nido. Canto muy reconocible. Preocupación menor.
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
════════════════════════════════════════════════════════════════════════ #}