Vol. 4, Issue 1 (2019)
Inventory of bird species along the trekking route of Barsey rhododendron sanctuary in west Sikkim, India
Author(s): Sanjyoti Subba
Abstract: A total of 33 bird species belonging to 31 genera and 20 families were recorded in Barsey Rhododendron Sanctuary along the trekking route in West Sikkim. Two bird species are Porphyrospiza caerulescens and Tragopan satyra were listed in Near Threatened as per the IUCN Red List of Threatened Species. Apart from theses, the area is rich diversity of floral species too. A total of 98 plant species were recorded along the trekking route in BRS. Of which 34 herb species followed by 26 tree species, 20 shrub/scrub species, 6 climber, 6 ferns and fern-allies, 4 epiphyte and orchid species and 2 bamboo species were recorded all along 33 sampling plots. This sanctuary is flourished with rhododendron trees species such as Rhododendron arboreum, Rhododendron barbatum, Rhododendron falconeri, Rhododendron grande, Rhododendron griffithianum and Rhododendron hodgsonii giving the food and shelter of avi-faunal species. Most of the birds are attractive in Rhododendron arboreum flower which is dominant taxa with wide range of distribution pattern along the trekking route. The broadleaf trees species are spread over the sanctuary and offer ample food and shelter for faunal and avi-faunal species. The dense forests of Lithocarpus pachyphyllus especially the Oak forest provides shelter as well as abundant fruits and as such is good indicators of faunal presence and richness. The present paper revealed the inventory of bird species along the trekking route of Barsey Rhododendron Sanctuary in West Sikkim, India. Forest types play a significant role in the forest for the conservation of biodiversity.
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