Silver-backed Needletail vs Black Spinetail
Hirundapus cochinchinensis से तुलना Telacanthura melanopygia
Side-by-Side Comparison
| विशेषता | Silver-backed Needletail | Black Spinetail |
|---|---|---|
| वैज्ञानिक नाम | Hirundapus cochinchinensis | Telacanthura melanopygia |
| गण | Caprimulgiformes | Caprimulgiformes |
| कुल | Apodidae | Apodidae |
| संरक्षण स्थिति | Least Concern | Least Concern |
| लंबाई | — | — |
| पंखों का फैलाव | 36.6 cm (14.4 in) | 32.4 cm (12.8 in) |
| वजन | 85.97999999999999 g (3.03 oz) | 52.0 g (1.83 oz) |
| आहार | 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. |
| अंडों की संख्या | -- | -- |
| 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.
संरक्षण स्थिति
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
A large needletail swift (19-20 cm) found in hill and montane forests from India through Southeast Asia. Dark plumage with a silver-grey back and white throat. Spine-tipped tail. Aerial insectivore with powerful, rapid flight. Resident and partial migrant.
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.