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The site was identified as important in 2010 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:

Species	Red List1	Season	Year(s)	Size	IBA criteria
Ring-necked Duck Aythya collaris	LC	non-breeding	-	present	A4i
Mottled Duck Anas fulvigula	LC	resident	-	present	A4i
American White Pelican Pelecanus erythrorhynchos	LC	non-breeding	-	present	A4i
Piping Plover Charadrius melodus	NT	non-breeding	-	present	A1
Long-billed Dowitcher Limnodromus scolopaceus	NT	non-breeding	-	present	A4i
Black Skimmer Rynchops niger	LC	resident	-	present	A4i
Common Gull-billed Tern Gelochelidon nilotica	LC	breeding	-	present	A4i

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2010) may differ.

Year	Protected Area	Designation	% overlap with IBA
1907	Shell Keys	National Wildlife Refuge	<1
1911	Unnamed	State Wildlife Refuge	1
1920	Rockefeller	Wildlife Refuge	4
1937	Sabine	National Wildlife Refuge	6
1937	Lacassine	National Wildlife Refuge	1
1976	Lacassine	Wilderness	<1
1988	Cameron Prairie	National Wildlife Refuge	<1
1991	Marsh Island	Wildlife Refuge	3
1998	Little Pecan Island Macrosite	Easement	<1
2000	WRP_Vermilion, LA (22113)	Environmental System	<1
2001	Bayou Teche	National Wildlife Refuge	<1
2004	Grand Chenier	Easement	<1
2007	US-LA-109-2	Environmental System	<1
2007	Old Settlement	Mitigation Area	<1
2011	WRP_Cameron, LA (22023)	Environmental System	<1
2011	WRP_Vermilion , LA (22113)	Environmental System	<1
2012	WRP_Calcasieu, LA (22019)	Environmental System	<1

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Chenier Plain (USA). Downloaded from https://datazone.birdlife.org/site/factsheet/chenier-plain-iba-usa on 23/11/2024.