Arachnothera affinis
The Streaky-breasted Spiderhunter, *Arachnothera affinis*, is a vibrant and active passerine bird measuring approximately 17-19 cm in length and weighing 12-19 grams. Its most striking feature is its olive-green upperparts contrasting with pale yellowish underparts, heavily marked with distinct dark streaking across the breast and flanks, giving the species its common name. Identification is further aided by its remarkably long, slender, and strongly decurved black bill, perfectly adapted for...
This species primarily inhabits various forested environments, including evergreen and deciduous forests, forest edges, secondary growth, plantations, and gardens. It typically occurs from lowlands up to elevations of about 1,500 meters, occasionally higher.
The diet of the Streaky-breasted Spiderhunter consists primarily of nectar, supplemented significantly by spiders and various small insects.
Streaky-breasted Spiderhunters are highly active diurnal foragers, spending their days darting among flowers and foliage. Their foraging strategy is characterized by acrobatic hovering to access nectar from large, pendulous flowers, especially those of bananas, gingers, and heliconias, using thei...
The Streaky-breasted Spiderhunter boasts a wide distribution across much of Southeast Asia, predominantly residing in the Sundaic region. Its breeding range encompasses the Malay Peninsula, extending through Sumatra, Java, Borneo, Bali, Lombok, Sumbawa, Flores, Sumba, and Timor. Significant popul...
Least Concern
- The Streaky-breasted Spiderhunter's common name is a perfect descriptor, as its long, decurved bill is not only for nectar but also expertly plucks spiders from their webs and foliage. - These birds are important pollinators for many tropical plants, especially those with deep, tubular flowers ...