Image 1. Map of Sikkim showing its prominent locations

 

 

Table 1. Endemic birds of Sikkim.  Numbers indicate density (numbers/ha) of birds observed during

the study in different elevation zones {I (<900m), II (900-1800m), III (1800-2800m), IV (2800-3800m)

and V (3800-4500m and above)} representing different vegetation types) in Sikkim.

 

Species

I

II

III

IV

V

AZ

 

 

 

 

 

 

 

Broad-billed Warbler, Tickellia hodgsoni

-

0.37

1.84

5.95

-

II, III

Chestnut-breasted Partridge, Arborophila mandellii

-

-

-

-

-

I, II, III

Giant Babax, Babax waddelli

-

-

-

-

-

*

Hoary-throated Barwing, Actinodura nipalensis

-

0.4

5.36

-

-

II, III, IV

Rufous-throated Wrenbabbler, Spelaeornis caudatus

-

-

-

-

-

IV

Rusty-bellied Shortwing, Brachypteryx hyperythra

-

-

1.33

3.22

-

III, IV

Ward’s Trogon, Harpactes wardii

-

-

-

-

-

*

Wedge-billed Wrenbabbler, Sphenocichla humei

-

-

-

-

-

V

White-naped Yuhina, Yuhina bakeri

2.38

7.8

1.03

-

-

I, II, III

Yellow-vented Warbler, Phylloscopus cantator

1.61

7.44

-

-

-

I, II, III

 

AZ - reported altitude zone for species; - - denotes species not observed during the present study;

* - distribution of species not known.

 

 

Table 2. Threatened birds of Sikkim (IUCN 2009).  Numbers indicate density (numbers/ha) of

birds observed during the study in different elevation zones {I (<900m), II (900-1800m), III (1800-2800m),

IV (2800-3800m) and V (3800-4500m and above)} in Sikkim.

 

Species

I

II

III

IV

V

AZ

Status

 

 

 

 

 

 

 

 

Baer’s Pochard, Aytha baeri

-

-

-

-

-

III

EN

Beautiful Nuthatch, Sitta formosa

-

-

-

-

-

I, II, III

VU

Black-necked Crane, Grus nigricolis

-

-

-

-

-

V

VU

Black-breasted Parrotbill, Paradoxornis flavirostris

-

-

-

-

-

I, II, III

VU

Blyth’s Kingfisher, Alcedo hercules

-

-

-

-

-

I

NT

Blyth’s Tragopan, Tragopan blythii

-

-

-

-

-

*

VU

Chestnut-breasted Partridge, Arborophila mandellii

-

-

-

-

-

I, II, III

VU

Cinereous Vulture, Aegypius monachus

 

 

 

 

 

*

NT

Firethroat, Luscinia pectardens

-

4.78

-

-

-

II, III

NT

Giant Babax, Babax waddelli

-

-

-

-

-

V

NT

Great Hornbill, Buceros bicornis

-

-

-

-

-

I, II

NT

Greater Spotted Eagle, Aquila clanga

-

-

-

-

-

*

VU

Grey-crowned Prinia, Prinia cinereocapilla

-

-

-

-

-

I, II

VU

Hodgson’s Bushchat, Saxicola insignis

-

-

-

-

-

*

VU

Lesser Kestrel, Falco naumanni

-

-

-

-

-

*

VU

Long-billed Vulture, Gyps indicus

-

-

-

-

-

*

CR

Palla’s Fish Eagle, Haliaeetus leucoryphus

-

-

-

-

-

I, II, III, IV

VU

Red-headed Vulture, Sarcogyps calvus 

-

-

-

-

-

*

CR

Rufous-necked Hornbill, Aceros nipalensis

-

-

-

-

-

*

VU

Rufous-throated Wrenbabbler, Spelaeornis caudatus

-

-

-

-

-

IV

NT

Rusty-bellied Shortwing, Brachypteryx hyperythra

-

-

1.33

3.22

-

III, IV

NT

Satyr Tragopan, Tragopan satyra

-

-

0.42

-

-

III, IV, V

NT

Slender-billed Babbler, Turdoides longirostris

-

-

-

-

-

*

VU

Ward’s Trogon, Harpactes wardii

-

-

-

-

-

*

NT

White-rumped Vulture, Gyps bengalensis

-

-

-

-

-

*

CR

Wood Snipe, Gallinago nemoricola

-

-

-

-

-

*

VU

Yellow-rumped Honeyguide, Indicator xanthonotus

-

-

-

-

-

III

NT

 

AZ - reported altitude zone for species; - - denotes species not observed during the present study;

* - distribution of species not known; EN - Endangered; CR - Critically Endangered; VU - Vulnerable; NT - Near Threatened.