Dark Hawk-Cuckoo vs Saint Helena Cuckoo
Hierococcyx bocki comparado con Nannococcyx psix
Side-by-Side Comparison
| Atributo | Dark Hawk-Cuckoo | Saint Helena Cuckoo |
|---|---|---|
| Nombre científico | Hierococcyx bocki | Nannococcyx psix |
| Orden | Cuculiformes | Cuculiformes |
| Familia | Cuculidae | Cuculidae |
| Estado de conservación | Least Concern | Extinct |
| Longitud | — | — |
| Envergadura | 35,9 cm (14.1 in) | — |
| Peso | 137,0 g (4.83 oz) | 171,0 g (6.03 oz) |
| Dieta | -- | -- |
| Tamaño de la puesta | -- | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Dark Hawk-Cuckoo
Loud, raucous call with harsh quality; penetrating notes carrying through dense forest in South Asia.
Saint Helena Cuckoo
Loud, far-carrying raucous call; harsh penetrating notes given from dense island forest canopy. Vocalization pattern typical of this species in its native habitat.
Estado de conservación
Dark Hawk-Cuckoo
Saint Helena Cuckoo
How to Tell Them Apart
Dark Hawk-Cuckoo
Dark Hawk-Cuckoo: dark brown above; pale below with dense dark barring; hawk-like; long barred tail; yellow orbital ring; dark morph
Saint Helena Cuckoo
Saint Helena Cuckoo: extinct; brown above; pale below; long graduated tail; island cuckoo; known only from subfossil remains
About These Birds
Dark Hawk-Cuckoo
El cucúl de halcón oscuro (Hierococcyx bocki) mide 28-31 cm. Gris oscuro en las partes superiores, pálido en las inferiores con rayas oscuras. Parásito de nido. Habita en bosques de Malasia, Indonesia (Sumatra, Java, Borneo) y Tailandia. Anuncia su presencia con un llamativo silbido descendente repetitivo. Especie de distribución relativamente restringida en el sureste asiático insular. Poco conocido en cuanto a sus hospedadores preferidos y biología reproductiva.
Saint Helena Cuckoo
Saint Helena Cuckoo (Nannococcyx psix) — ~25 cm. Extinct. Known only from subfossil remains from Saint Helena, South Atlantic. A small cuckoo inferred from bone morphology; likely became extinct following human colonisation of the island in the 16th century and the introduction of predators.