Gilbert Bay/South Arm UT05


IBA Justification

The site was identified as important in 2009 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
Black-necked Grebe Podiceps nigricollis LC passage 1997 778,260 individuals A4i
American Avocet Recurvirostra americana LC breeding 2000 33,191 individuals A4i
Snowy Plover Charadrius nivosus NT breeding 1998 615 individuals A4i
Wilson's Phalarope Steganopus tricolor LC passage 2000 458,553 individuals A4i
California Gull Larus californicus LC passage 2000 70,501 individuals A4i

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2009) may differ.


IBA Protection

Year Protected Area Designation % overlap with IBA
- South Shore TNC Preserve <1


Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Gilbert Bay/South Arm UT05 (USA). Downloaded from https://datazone.birdlife.org/site/factsheet/gilbert-bay-south-arm-ut05-iba-usa on 22/11/2024.