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The site was identified as internationally important for bird conservation in 2012 because it was regularly supporting significant populations of the species listed below, meeting IBA criteria.

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

Species	Red List	Season (year/s of estimate)	Size	IBA criteria
Sandhill Crane Grus canadensis	LC	passage (-)	present	A4i

Year	Protected Area	Designation (management category)	% coverage of IBA
1937	Bitter Lake	National Wildlife Refuge (IV)	72
1970	Salt Creek	Wilderness (Ib)	28

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Recommended citation
BirdLife International (2025) Important Bird Area factsheet: Bitter Lake National Wildlife Refuge (USA). Downloaded from https://datazone.birdlife.org/site/factsheet/bitter-lake-national-wildlife-refuge-iba-usa on 07/01/2025.