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Side-by-Side Comparison

Attribut	Puerto Rican Lizard-cuckoo	Dark Hawk-Cuckoo
Nom scientifique	Coccyzus vieilloti	Hierococcyx bocki
Ordre	Cuculiformes	Cuculiformes
Famille	Cuculidae	Cuculidae
Statut de conservation	Least Concern	Least Concern
Longueur	—	—
Envergure	26,4 cm (10.4 in)	35,9 cm (14.1 in)
Poids	86,0 g (3.03 oz)	137,0 g (4.83 oz)
Régime alimentaire	--	--
Taille de la couvée	2-3	--
Population Trend	—	—

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Habitat Comparison

Habitats partagés

🌲 Forest

Puerto Rican Lizard-cuckoo only

Aucun(e)

Dark Hawk-Cuckoo only

Aucun(e)

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Song & Call Comparison

Puerto Rican Lizard-cuckoo

Chant

Loud, clear whistled call; pure melodic notes carrying through dense humid forest in Southeast Asia.

Dark Hawk-Cuckoo

Chant

Loud, raucous call with harsh quality; penetrating notes carrying through dense forest in South Asia.

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Statut de conservation

Least Concern

Puerto Rican Lizard-cuckoo

Least Concern

Dark Hawk-Cuckoo

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How to Tell Them Apart

Puerto Rican Lizard-cuckoo

Plumage

Cocos Cuckoo: olive-brown above; pale buffy below; long dark tail; yellowish bill; Cocos Island endemic cuckoo; island species

Dark Hawk-Cuckoo

Plumage

Dark Hawk-Cuckoo: dark brown above; pale below with dense dark barring; hawk-like; long barred tail; yellow orbital ring; dark morph

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About These Birds

Puerto Rican Lizard-cuckoo

Puerto Rican Lizard-cuckoo (Coccyzus vieilloti) — 38–43 cm. Brown above; grey-buff below; bare red orbital skin; long tail with white spots. Endemic to Puerto Rico in forest and wooded habitat. Non-parasitic; hunts lizards, insects, and nestlings. Considered Vulnerable due to limited range and habitat loss.

Dark Hawk-Cuckoo

Dark Hawk-Cuckoo (Hierococcyx bocki) — 28–31 cm. Dark grey above; pale below with darker streaking; barred tail. Restricted to montane forest of the Malay Peninsula. Brood parasite. Insectivore. Rare; poorly documented.

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