Silver-backed Needletail vs Black Spinetail
Hirundapus cochinchinensis comparado con Telacanthura melanopygia
Side-by-Side Comparison
| Atributo | Silver-backed Needletail | Black Spinetail |
|---|---|---|
| Nombre científico | Hirundapus cochinchinensis | Telacanthura melanopygia |
| Orden | Caprimulgiformes | Caprimulgiformes |
| Familia | Apodidae | Apodidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 36,6 cm (14.4 in) | 32,4 cm (12.8 in) |
| Peso | 85,97999999999999 g (3.03 oz) | 52,0 g (1.83 oz) |
| Dieta | Obligate aerial forager on small insects and airborne spiders; among the fastest-flying of all swift … | High-speed aerial insectivore catching small flying insects and aerial spiders during fast sustained flight. |
| Tamaño de la puesta | -- | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Silver-backed Needletail
Dry, rattling trill with softer ending; rapid series of clipped notes dropping slightly in pitch as the bird gains speed.
Black Spinetail
Deep, resonant chattering with gravelly undertones; series of rough churring notes interspersed with sharp screaming calls.
Geographic Range & Migration
Silver-backed Needletail
Found from northeastern India and China through Southeast Asia to the Greater Sundas. Partially migratory; winters south in forest and open areas.
Black Spinetail
Found in West and Central Africa from Nigeria and Cameroon east to Uganda. Resident in lowland rainforest and forest edge.
Estado de conservación
Silver-backed Needletail
Black Spinetail
How to Tell Them Apart
Silver-backed Needletail
Large; blackish-brown body; distinctive large silvery-white back patch between wings; white throat and undertail coverts; short spiny tail; Southeast Asian species closely resembling White-throated Needletail but silvery-white saddle more extensive.
Black Spinetail
Large; entirely black plumage with slight gloss; black rump unlike white-rumped congeners; underparts dark; spiny tail; West African forest species; all-black coloration with no contrasting markings distinguishes it from all …
About These Birds
Silver-backed Needletail
El vencejo de aguja de garganta plateada es un vencejo mediano del sur y sudeste asiático. Tiene plumaje oscuro con la garganta blanca característica. Captura insectos al vuelo sobre los doseles forestales. Habita en bosques y bordes de bosque. Migra entre los sitios de cría y de invernada. Como otros vencejos, pasa la mayor parte de su vida en vuelo.
Black Spinetail
A medium-sized spinetail swift (14-15 cm) of lowland rainforests in West and Central Africa. All-dark plumage. Spine-tipped tail for bracing against tree trunks. Aerial insectivore, foraging above the forest canopy. Nests inside hollow trees. Uncommon and seldom observed.