Hierococcyx vagans
The Moustached Hawk-Cuckoo, *Hierococcyx vagans*, is a medium-sized cuckoo of the family Cuculidae, measuring approximately 28-31 cm in length. Adults are distinguished by their greyish-brown upperparts, often with a rufous wash on the nape, and a striking white throat flanked by prominent dark malar stripes that create a 'moustached' effect. The underparts are white, heavily barred with dark brown, and feature a diagnostic broad, rufous breast band, which aids in identification. Its tail is ...
This cuckoo primarily inhabits subtropical and tropical moist lowland forests, including evergreen and deciduous types, often favoring forest edges and clearings. It is typically found from sea level up to 1,500 meters, occasionally reaching higher elevations during migration.
The Moustached Hawk-Cuckoo is primarily insectivorous, preying on a wide variety of large insects, including hairy caterpillars, mantises, stick insects, and beetles. It forages mostly in the tree canopy, meticulously picking prey from leaves and branches.
Moustached Hawk-Cuckoos are diurnal but largely secretive, spending much of their time concealed within the dense canopy, making them challenging to observe. They forage quietly and methodically, moving through trees to glean insects from foliage and branches. During the breeding season, males es...
The Moustached Hawk-Cuckoo exhibits a broad distribution across Southeast Asia, with both resident and migratory populations. Its breeding range encompasses northeastern India (Assam, Arunachal Pradesh), Bhutan, Bangladesh, southern China (Yunnan, Guangxi), Myanmar, Thailand, Laos, Cambodia, and ...
Least Concern
- Its scientific name, *vagans*, meaning 'wandering' or 'straying,' aptly describes its migratory nature and elusive habits. - Unlike many birds, this cuckoo readily consumes hairy caterpillars, which are often toxic or irritating to other avian species. - The Moustached Hawk-Cuckoo is an obligat...