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Blue-wattled Bulbul

Image via Macaulay Library

Birdwatching

Blue-wattled Bulbul

Scientific name
Microtarsus nieuwenhuisii
Family
Pycnonotidae
Conservation status
Least concern
Habitat
Forest mixed
Wing shape
Rounded
Tail shape
Rounded
11,127birds tracked
0copies listed for sale
Provenance

Where it came from

The Blue-wattled Bulbul, or Microtarsus nieuwenhuisii, remains one of the most enigmatic avian specimens in ornithological history. It was first described in the early 20th century, specifically named by Ouwens in 1912 after A. W. Nieuwenhuis, who collected the type specimen in the interior of Borneo. The bird is characterized by its distinctive blue facial wattles, rounded wings, and a rounded tail, features that have long puzzled taxonomists regarding its exact evolutionary placement within the Pycnonotidae family.

For decades, this species was known exclusively from a handful of historical skins, leading many researchers to question whether it represented a valid species or a potential hybrid or individual variant. The lack of recent, confirmed sightings in the wild has made it a subject of significant academic scrutiny and mystery. Its design—defined by its muted plumage contrasted against the vibrant, localized wattles—is typical of the understory-dwelling bulbuls of the region, adapted for life in the dense, secluded rainforests of Central Borneo.

Written by Pi, the helpful collecto.rs AI

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About

About Blue-wattled Bulbul

Blue-wattled Bulbul is a bird in the Birdwatching catalog on collecto.rs. Catalog data is sourced from eBird. No public birds collectors track this one yet — adding yours would make you the first on collecto.rs.

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