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The site was identified as important in 1994 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species'):

Species	Current IUCN Red List Category	Season	Year(s)	Population estimate at site	IBA criteria met
Persian Shearwater Puffinus persicus	LC	non-breeding	1970-1992	105-1,000 individuals	B1ii, B2
Jouanin's Petrel Bulweria fallax	NT	non-breeding	1970-1992	11 individuals	A4ii, B1ii, B2
White Stork Ciconia ciconia	LC	passage	1970-1992	50 individuals	B2
Western Reef-egret Egretta gularis	LC	winter	1989-1992	316-424 individuals	B1i
Haematopus ostralegus	NR	winter	1989-1992	1,204-3,000 individuals	A4i, B1i
Grey Plover Pluvialis squatarola	LC	winter	1989-1992	338-505 individuals	B1i
Grey Plover Pluvialis squatarola	LC	passage	1970-1992	1,600 individuals	A4i, B1i
Lesser Sandplover Charadrius mongolus	LC	winter	1989-1992	3,408-6,443 individuals	A4i, B1i
Greater Sandplover Charadrius leschenaultii	LC	passage	1970-1992	5,250 individuals	A4i, B1i
Kentish Plover Charadrius alexandrinus	LC	winter	1989-1992	169-327 individuals	B1i
Whimbrel Numenius phaeopus	LC	winter	1989-1992	200-278 individuals	A4i, B1i
Whimbrel Numenius phaeopus	LC	passage	1970-1992	2,000 individuals	A4i, B1i
Eurasian Curlew Numenius arquata	NT	winter	1989-1992	487-620 individuals	B1i
Bar-tailed Godwit Limosa lapponica	NT	winter	1989-1992	1,935-2,442 individuals	A4i, B1i
Ruddy Turnstone Arenaria interpres	LC	winter	1989-1992	498-629 individuals	B1i
Common Redshank Tringa totanus	LC	passage	1970-1992	2,000 individuals	B1i
Crab-plover Dromas ardeola	LC	resident	1992	85 breeding pairs	B3
Crab-plover Dromas ardeola	LC	winter	1989-1992	546-2,000 individuals	A4i, B1i, B3
Slender-billed Gull Larus genei	LC	winter	1989-1992	825-1,730 individuals	A4i, B1i
Sooty Gull Larus hemprichii	LC	resident	1992	5,200 breeding pairs	A4i, B1i, B3
Lesser Black-backed Gull Larus fuscus	LC	winter	1989-1992	2,454-3,708 individuals	A4i, B1i
Bridled Tern Onychoprion anaethetus	LC	breeding	1992	15,500 breeding pairs	A4i, B1i
Saunders's Tern Sternula saundersi	LC	passage	1970-1992	600 individuals	A4i, B1i, B3
Saunders's Tern Sternula saundersi	LC	resident	1992	200 breeding pairs	A4i, B1i, B3
Caspian Tern Hydroprogne caspia	LC	winter	1989-1992	84-170 individuals	A4i, B1i
Caspian Tern Hydroprogne caspia	LC	passage	1970-1992	100 individuals	B1i
Roseate Tern Sterna dougallii	LC	breeding	1992	160 breeding pairs	A4i, B1i, B2
White-cheeked Tern Sterna repressa	LC	breeding	1992	1,200 breeding pairs	B3
White-cheeked Tern Sterna repressa	LC	passage	1970-1992	70,000 individuals	A4i, B1i, B3
Sandwich Tern Thalasseus sandvicensis	LC	passage	1970-1992	4,000 individuals	A4i, B1i
Greater Crested Tern Thalasseus bergii	LC	breeding	1992	300 breeding pairs	B1i
Greater Crested Tern Thalasseus bergii	LC	winter	1989-1992	830-1,720 individuals	B1i
Egyptian Vulture Neophron percnopterus	EN	resident	1970-1992	9-22 individuals	B2
A4iii Species group - seabirds	n/a	breeding	1992	20,000-49,999 breeding pairs	A4iii
A4iii Species group - waterbirds	n/a	passage	1970-1992	50,000-99,999 individuals	A4iii

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (1994).

Habitat (IUCN level 1)	Habitat detail	Extent (% of site)
Desert		-
Marine Neritic		-
Marine Coastal/Supratidal		-

For more information about the IUCN Habitat classification, please click here.

Land-use	Extent (% of site)
fisheries/aquaculture	-
military	-

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Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Masirah island. Downloaded from http://datazone.birdlife.org/site/factsheet/masirah-island-iba-oman on 09/12/2023.