Purple Needletail vs Alpine Swift
Hirundapus celebensis comparado com Tachymarptis melba
Side-by-Side Comparison
| Atributo | Purple Needletail | Alpine Swift |
|---|---|---|
| Nome científico | Hirundapus celebensis | Tachymarptis melba |
| Ordem | Caprimulgiformes | Caprimulgiformes |
| Família | Apodidae | Apodidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 42,7 cm (16.8 in) | 43,9 cm (17.3 in) |
| Peso | 186,5 g (6.58 oz) | 97,5 g (3.44 oz) |
| Dieta | Catches aerial plankton of small insects and spiders in fast sweeping flight; roosts in rock … | Aerial insectivore taking small flying insects and spiders; may forage at great heights following thermal … |
| Tamanho da postura | -- | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Purple Needletail
Thin, penetrating screech with piercing quality; rapid trilling notes cascading steeply, cutting through jungle noise effectively.
Alpine Swift
Rapid series of short, clipped whistles; bright, clean notes delivered in quick succession with occasional doubled phrase.
Geographic Range & Migration
Purple Needletail
Found on Sulawesi, the Philippines, and adjacent islands in Wallacea. Resident in lowland and hill forest, foraging over forest and open areas.
Alpine Swift
Breeds from southern Europe and North Africa east through Central Asia and the Himalayas to India. Migratory; winters in sub-Saharan Africa.
Estado de conservação
Purple Needletail
Alpine Swift
How to Tell Them Apart
Purple Needletail
Very large; dark black-brown upperparts with intense purple gloss on back and wing coverts; white throat patch; white undertail coverts; short spiny tail; Sulawesi endemic and the heaviest needletail; stunning …
Alpine Swift
Large; dark brown upperparts; white throat patch separated from white belly by dark brown breast band; brown flanks; bold tricoloured underpart pattern; one of Europe's largest swifts with distinctive white …
About These Birds
Purple Needletail
O andorinhão-de-agulha-de-Celebes é um grande andorinhão endémico da ilha de Sulawesi, Indonésia. Tem asas longas e estreitas com plumagem principalmente escura. Captura insetos em voo. Como outros andorinhões, passa a maior parte da sua vida em voo. Nidifica em penhascos ou ocos. A perda de habitat em Sulawesi é uma ameaça potencial para esta espécie de distribuição restrita.
Alpine Swift
A large swift (20-22 cm, wingspan 54-60 cm) with a white belly and throat contrasting with dark brown upperparts. Found from southern Europe and Africa to Central Asia. Aerial insectivore, foraging at great heights. Nests on cliff faces in large colonies. Powerful, fast flier.