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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
Greater Flamingo Phoenicopterus roseus	LC	winter	1989-1992	4,574-9,300 individuals	A4i, B1i
Grey Heron Ardea cinerea	LC	winter	1989-1992	345-600 individuals	B1i
Great White Egret Ardea alba	LC	winter	1989-1992	113-340 individuals	B1i
Western Reef-egret Egretta gularis	LC	winter	1989-1992	874-1,858 individuals	B1i
Western Reef-egret Egretta gularis	LC	resident	1993	90 breeding pairs	B1i
Great Cormorant Phalacrocorax carbo	LC	winter	1989-1992	3,507-8,200 individuals	A4i, B1i
Socotra Cormorant Phalacrocorax nigrogularis	VU	non-breeding	1990-1992	8,043-15,000 individuals	A1, A4i, B1i, B2
Haematopus ostralegus	NR	winter	1989-1992	4,547-10,700 individuals	A4i, B1i
Grey Plover Pluvialis squatarola	LC	winter	1989-1992	1,064-2,600 individuals	A4i, B1i
Lesser Sandplover Charadrius mongolus	LC	winter	1989-1992	2,289-5,000 individuals	A4i, B1i
Greater Sandplover Charadrius leschenaultii	LC	winter	1989-1992	498-800 individuals	B1i
Kentish Plover Charadrius alexandrinus	LC	winter	1989-1992	1,290-3,500 individuals	A4i, B1i
Whimbrel Numenius phaeopus	LC	winter	1989-1991	427-950 individuals	A4i, B1i
Slender-billed Curlew Numenius tenuirostris	CR	winter	1990	3 individuals	A1, A4i, B1i, B2
Eurasian Curlew Numenius arquata	NT	winter	1989-1992	948-1,750 individuals	A4i, B1i
Bar-tailed Godwit Limosa lapponica	NT	winter	1989-1992	30,973-50,000 individuals	A4i, B1i
Ruddy Turnstone Arenaria interpres	LC	winter	1989-1992	1,311-1,724 individuals	A4i, B1i
Great Knot Calidris tenuirostris	EN	winter	1989-1992	450-1,200 individuals	A4i, B1i
Broad-billed Sandpiper Calidris falcinellus	LC	winter	1989-1992	2,283-5,000 individuals	A4i, B1i
Curlew Sandpiper Calidris ferruginea	NT	winter	1989-1992	8,086-15,300 individuals	A4i, B1i
Sanderling Calidris alba	LC	winter	1989-1992	4,495-11,000 individuals	A4i, B1i
Dunlin Calidris alpina	LC	winter	1989-1992	22,003-60,000 individuals	A4i, B1i
Little Stint Calidris minuta	LC	winter	1989-1992	10,321-15,500 individuals	A4i, B1i
Terek Sandpiper Xenus cinereus	LC	winter	1989-1992	327-608 individuals	B1i
Common Greenshank Tringa nebularia	LC	winter	1989-1992	1,001-3,200 individuals	B1i
Common Redshank Tringa totanus	LC	winter	1989-1992	9,393-13,200 individuals	A4i, B1i
Crab-plover Dromas ardeola	LC	winter	1989-1992	1,419-3,000 individuals	A4i, B1i, B3
Slender-billed Gull Larus genei	LC	winter	1989-1992	23,609-50,000 individuals	A4i, B1i
Pallas's Gull Larus ichthyaetus	LC	winter	1989-1992	653-1,500 individuals	A4i, B1i
Sooty Gull Larus hemprichii	LC	resident	1993	75-100 breeding pairs	B3
Sooty Gull Larus hemprichii	LC	winter	1989-1992	8,989-28,500 individuals	A4i, B1i, B3
Lesser Black-backed Gull Larus fuscus	LC	winter	1991	14,700 individuals	A4i, B1i
Bridled Tern Onychoprion anaethetus	LC	breeding	1993	1,500-2,500 breeding pairs	B1i
Saunders's Tern Sternula saundersi	LC	breeding	1993	20 breeding pairs	B3
Caspian Tern Hydroprogne caspia	LC	winter	1989-1992	461-1,400 individuals	A4i, B1i
Roseate Tern Sterna dougallii	LC	breeding	1993	10 breeding pairs	A4i, B2
Common Tern Sterna hirundo	LC	winter	1991	3,000 individuals	A4i, B1i
Lesser Crested Tern Thalasseus bengalensis	LC	winter	1990-1992	1,013-3,000 individuals	A4i, B1i
Sandwich Tern Thalasseus sandvicensis	LC	winter	1989-1992	16,689-45,000 individuals	A4i, B1i
Greater Crested Tern Thalasseus bergii	LC	winter	1989-1992	1,682-4,100 individuals	B1i
A4iii Species group - waterbirds	n/a	winter	1989-1992	100,000-499,999 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)
Marine Neritic		-
Marine Coastal/Supratidal		-
Desert		-

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

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

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Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Barr al Hikman. Downloaded from http://datazone.birdlife.org/site/factsheet/barr-al-hikman-iba-oman on 07/12/2023.