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ভীমৰাজ[2] (ইংৰাজী: Greater Racket-tailed Drongo, বৈজ্ঞানিক নাম-Dicrurus paradiseus)এটা মধ্যমীয়া আকাৰৰ চৰাইৰ প্ৰজাতি৷ ইয়াৰ দীঘল তথা বিশেষ আকাৰৰ দুভাগ হৈ থকা নেজৰ বাবে এই চৰাইবিধ খ্যাত৷
 | এই প্ৰবন্ধটো অসমীয়া ৱিকিপিডিয়াত শেহতীয়াভাৱে ৱিকিপিডিয়াৰ অধীনস্থ অন্য কোনো ভাষা বা অন্য ৱেবছাইটৰ পৰা অসমীয়া ভাষালৈ ভাঙনি কৰি লিখা হৈছে। ভাঙনি কাৰ্য শেষ কৰা পাছতো হয়তো এই প্ৰবন্ধটোত কিছুমান আসোঁৱাহ ৰৈ যাব পাৰে। তেনেক্ষেত্ৰত আপুনি অন্য ভাষাৰ অনুৰূপ প্ৰবন্ধৰ সন্ধান কৰি অথবা প্ৰবন্ধটোৰ অনুবাদ নকৰা অংশ অনুবাদ কৰি ৱিকিপিডিয়াক সহায় কৰিব পাৰে। |
| ভীমৰাজ (Greater Racket-tailed Drongo) | |
|---|---|
 | |
| Nominate race from Kerala | |
| সংৰক্ষণ স্থিতি | |
| জীৱবৈজ্ঞানিক শ্ৰেণীবিভাজন | |
| ৰাজ্য: | Animalia |
| পৰ্ব: | Chordata |
| শ্ৰেণী: | Aves |
| বৰ্গ: | Passeriformes |
| পৰিয়াল: | Dicruridae |
| গণ: | Dicrurus |
| প্ৰজাতি: | D. paradiseus |
| বৈজ্ঞানিক নাম | |
| Dicrurus paradiseus Linnaeus, 1766 | |
| সমাৰ্থক | |
|
Dissemurus paradiseus | |
In most of its range in Asia, this is the largest of the drongo species and is readily identifiable by the distinctive tail rackets and the crest of curled feather that begin in front of the face above the beak and along the crown to varying extents according to the subspecies. The tail with twirled rackets is distinctive and in flight it can appear as if two large bees were chasing a black bird. In the eastern Himalayas the species can be confused with the Lesser Racket-tailed Drongo, however the latter has flat rackets with the crest nearly absent.[3]
Young birds are duller, and can lack a crest while moulting birds can lack the elongate tail streamers. The racket is formed by the inner web of the vane but appears to be on the outer web since the rachis has a twist just above the spatula.[4]
The distribution range of this species extends from the western Himalayas to the eastern Himalayas and Mishmi Hills in the foothills below 4000 feet. Continuing into the west to the islands of Borneo and Java in the east through the mainland and islands. They are found mainly in forest habitats.[5][6]
Their calls are extremely varied and include monotonously repeated whistles, metallic and nasal sounds as well as more complex notes and imitations of other birds. They begin calling from as early as 4 am in moonlight often with a metallic tunk-tunk-tunk series.[7] They have an ability to accurately mimic alarm calls of other birds that are learnt through interactions in mixed-species flocks[8]
Like other drongos, these feed mainly on insects but also feed on fruits and visit flowering trees for nectar. Having short legs, they sit upright and are often perched on high and exposed branches. They are aggressive and will sometimes mob larger birds especially when nesting.[9] They are often active at dusk.[6]
The Greater Racket-tailed Drongo is a resident breeder throughout its range. The breeding season in India is April to August. Their courtship display may involve hops and turns on branches with play behaviour involving dropping an object and picking it in mid air.[7] Their cup nest is built in the fork of a tree[3] and the usual clutch is three to four eggs. The eggs are creamy white with blotches of reddish brown which are more dense on the broad end.[9]
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