Arafura Shrikethrush

Colluricincla megarhyncha

A chunky bird with a notably thick bill. Shows lots of geographical variation. For example, birds in some areas are grayish with a black bill, pale face, and dull cinnamon wash below; in other areas birds are dark brown on the upperparts and rich rufous below with a pale bill. Found at low and middle elevations in a variety of humid forest, including secondary forest, swamp forest, and mangroves. Rich, melodious, variable song consists of several penetrating whistles, generally in an up-and-down pattern, often ending with one or more exuberant upslurred notes. Calls include “chek” and “whit” notes. Somewhat similar to Rusty Pitohui, but smaller, with a dark rather than pale eye. Similar in size and shape to Sooty Shrikethrush and Black Pitohui, but never as uniformly dark. Also similar to Gray Shrikethrush, but smaller and browner, with some breast streaking.

Taxonomy

This species was formerly considered a conspecific member of the little shrikethrush complex. Genetic investigations of New Guinea populations of the little shrikethrush indicated high levels of genetic divergence, suggesting it comprised more than one species.<p>Currently, three subspecies are recognized:

Scientific name
Colluricincla megarhyncha
Authority
(Quoy & Gaimard, 1832)
Order
Passeriformes
Family
Pachycephalidae
Genus
Colluricincla

Range and habitat

It is found in New Guinea and Australia. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montane forests.

Migration
Resident species

Behavior

During a study of toxicity in birds, two specimens of this species were tested. One of these specimens contained traces of batrachotoxins (BTXs) similar to those found in the secretions of Central and South American poison dart frogs.

Conservation

Population trend
stable

Photos

Bird Calls

Other Birds

Forest Bittern

Forest Bittern

Zonerodius heliosylus

A large, shy bird of forest streams in the lowlands and foothills. Strong barring apart from white belly. Note the dagger-shaped bill with a broad base, striking yellow eyes and yellow legs. Solitary and feeds on small fish and crustaceans in streams. Flies up and perches in trees when flushed. Similar to the juvenile Rufous Night-Heron but found in more forested environments and has barring rather than streaks and spots. Normally silent.

Sooty-capped Babbler

Sooty-capped Babbler

Malacopteron affine

Bland, unremarkable-looking medium-sized babbler of open forest, forest edges, clearings, brushy riparian, and overgrown margins of cultivation in lowland and foothill areas. Extremely generic-looking, with no bright colors, a medium-length tail, and an average bill. Evenly-proportioned body gives it a rather bulbul-like outline. Note unmarked gray face, dark gray crown, dark rufous tail, and faint brownish wash on the chest. Especially similar to Moustached Babbler, but note present species’ darker crown, plain face (no moustache), and more slender bill. Scaly-crowned is also similar, but has a bright rufous patch on the forecrown. Plainly-colored Pellorneum babblers can be confusing, but note differences in proportions and profile. Most frequently-heard song is a beautiful but eerily human-like rising series of even whistles; when duetting, one bird often gives explosive “wik!” calls in response. Also gives a quicker, more cheery, and less human-like version of the song, as well as a short melancholy up-and-down series of whistles.

Eastern Yellow Wagtail

Eastern Yellow Wagtail

Motacilla tschutschensis

Attractive ground-dwelling bird. Slender and long-tailed, bright yellow below with paler throat and grayish-olive back; extremely variable. Tail is black with white outer feathers; often pumps tail up and down while walking on the ground. Young birds lack yellow color, but have distinctive head pattern. Often seen near water. Listen for high-pitched, piercing call note. Common breeder on Arctic tundra from Alaska to Russia; found in grassy and waterside habitats in Southeast Asian wintering grounds and in migration.

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