State of the Birds

State of the Birds >

North American bird species with the smallest estimated range sizes in 2004

		Range in km2
1	Eskimo Curlew	0?
2	Ivory-billed Woodpecker	0?
3	Bachman's Warbler	0?
4	Bermuda Petrel	1
5	Short-tailed Albatross	9
6	Black-footed Albatross	22
7	Cook's Petrel	50
8	Pink-footed Shearwater	150
9	Island Scrub-Jay	250
10	Xantus's Murrelet	300
11	McKay's Bunting	300
12	Thick-billed Parrot	430
13	California Condor	1,100
14	Craveri's Murrelet	1,700
15	Red-legged Kittiwake	1,740
16	Elegant Tern	2,931
17	Black-capped Petrel	2,940
18	Heerman's Gull	3,451
19	Whooping Crane	4,180
20	Florida Scrub-Jay	6,900
21	Red-crowned Parrot	7,900
22	Gunnison Sage-Grouse	9,700
23	Kirtland's Warbler	11,700
24	Emperor Goose	13,335
25	Yellow-footed Gull	16,000
26	Brown-capped Rosy-Finch	16,000
27	Golden-cheeked Warbler	19,700
28	Allen's Hummingbird	31,000
29	Gray Hawk	35,000
30	Western Gull	36,000
31	Bicknell's Thrush	39,000
32	Bristle-thighed Curlew	45,000

These population estimates are primarily from the Threatened Birds of the World 2004 summary done by BirdLife International. Many of these range sizes refer to breeding ranges only; many species have much larger ranges in the non-breeding season.