Greater Racket-tailed Drongo

Fascinating facts about the Greater Racket-tailed Drongo

• When Mathurin Jacques Brisson first described a specimen from Siam in 1760, he gave it a French name that later inspired Carl Linnaeus to add the bird to his 1766 Systema Naturae, anchoring the drongo’s scientific legacy in the birth of modern taxonomy. This early history shows how a single forest bird helped shape the rules we still use to name every creature today.
• Thirteen distinct subspecies stretch from the western Himalayas to Java, each tweaking the size of the crest or the length of the tail rackets. That many regional variants in one species turn the drongo into a living laboratory for how isolation and genetic drift carve new forms in the wild.
• The bird can start its metallic "tunk-tunk-tunk" chorus at 4 am, even under moonlight, and will mimic alarm calls of other species with precise context. By borrowing a neighbor’s warning, it can herd birds into panic and then snatch the insects they flush, an avian version of a clever con-artist.
• Living below 1,200 m (3,900 ft) across the Himalayas, the Western Ghats, Borneo and beyond, the drongo thrives in hill forests yet prefers perching on exposed branches and will launch aggressive mobbing flights at larger intruders.
• In India the breeding season runs from April to August, when the pair builds a smooth-barked fork nest and lays three to four creamy-white eggs speckled with reddish brown. This focused reproductive window highlights how the species times its family life to the monsoon’s bounty, linking its survival to seasonal rhythms.

At a glance

About the Greater Racket-tailed Drongo

The greater racket-tailed drongo (Dicrurus paradiseus) is the largest drongo across much of Asia, instantly recognizable by its glossy black plumage, a sweeping crest of curled feathers, and the spectacular elongated tail ribbons whose webbing is confined to the tips. In flight the twirling rackets resemble two buzzing bees trailing a sleek bird, a sight especially striking in the eastern Himalayas where it can be confused with the lesser racket-tailed drongo, which lacks the pronounced crest and bears flat tail rackets. Its range stretches from the western Himalayas, across the foothills of the Mishmi Hills below 1,200 m, through the Western Ghats and peninsular India, extending eastward to the islands of Borneo and Java, encompassing thirteen subspecies that differ in crest size, neck hackles and tail morphology. These diurnal birds are perching specialists, often perched high on exposed branches where they launch a chorus of metallic whistles, nasal calls and astonishingly accurate mimics of other birds’ alarm notes. Their vocal repertoire begins as early as 4 am, sometimes in moonlight, and includes context-sensitive imitations that can manipulate mixed-species foraging flocks, either to join the swarm of insect feeders or to divert attention and steal prey. Primarily insectivorous, they also sip nectar and eat fruit, and their aggressive nature sees them mob larger birds and even follow macaque troops to exploit disturbed insects, showcasing a blend of opportunistic piracy and mutualistic interactions that underscores their pivotal role in forest bird communities.

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