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The birdLittle Spiderhunter (Arachnothera longirostra)
Arachnothera longirostra - Ian Dugdale - 546751685 by Ian Dugdale, via Wikimedia Commons, licensed under CC BY 4.0
songbird

Little Spiderhunter

Arachnothera longirostra

A plain-plumaged relative of sunbirds recognized by its very long, curved bill and bright yellow underparts, common near banana plants across South and Southeast Asia.

Feather type
Plain contour feathers with a long, strongly decurved bill
Colours
Olive-green upperparts, bright yellow underparts
Bird size
Small to medium for a sunbird relative, ~16 cm

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Overview

Overview

The Little Spiderhunter is a member of the sunbird family found across South and Southeast Asia, from India through Indochina and the Greater Sundas. Unlike most sunbirds, it lacks iridescent plumage, instead showing plain olive-green upperparts and bright yellow underparts. Its extremely long, downcurved bill is adapted for probing large tubular flowers, especially bananas and gingers.

  • Family: sunbirds (Nectariniidae)
  • Diet: nectar and small insects and spiders
  • Range: South and Southeast Asia

Identifying the Feather

Feather Identification

  • Upperparts: feathers are plain olive-green without iridescence, unlike most sunbirds.
  • Underparts: breast and belly are bright yellow, providing strong contrast with the green back.
  • Throat: the throat is typically whitish or pale, sometimes with fine dark streaking.
  • Bill: the very long, strongly decurved bill (longer relative to body size than in true sunbirds) is a key identification feature alongside the plain plumage.
  • Vs. similar species: the combination of plain, non-iridescent green-and-yellow plumage with an unusually long curved bill distinguishes it from sunbirds and from the larger Streaked Spiderhunter, which shows heavy streaking.

Plumage & Molt

Plumage Notes

Both sexes look similar, with plain olive-green upperparts and yellow underparts year-round, showing little seasonal variation. Juveniles resemble adults but may show slightly duller coloration and a shorter bill until fully grown. Molt replaces feathers gradually without a dramatic seasonal plumage change.

Habitat & Range

Habitat & Range

This species occupies forest understory, secondary growth, banana plantations, and gardens across India, Southeast Asia, and the Greater Sunda Islands. It is generally resident, often closely associated with banana and ginger plants used as nectar sources.

Behavior & Field Notes

Behavior

Little Spiderhunters feed on nectar from large tubular flowers such as bananas, and also glean small insects and spiders from foliage, using their long bill to reach into flowers or spider webs. Nests are cup- or cone-shaped structures often attached to the underside of large leaves, such as banana leaves. The call is a loud, sharp, repeated chip note.

Frequently asked questions

Why doesn't the Little Spiderhunter show iridescent feathers like other sunbirds?

Unlike most sunbird species, it has plain, non-iridescent olive-green and yellow plumage rather than metallic coloration.

What is distinctive about its bill?

It has an unusually long, strongly decurved bill adapted for probing large tubular flowers such as bananas.

Where is this species typically found?

It occurs in forest understory, banana groves, and gardens across South and Southeast Asia.

How can it be told apart from the Streaked Spiderhunter?

The Little Spiderhunter has plain underparts, while the Streaked Spiderhunter shows heavy dark streaking on its underside and is notably larger.