East Copper River Delta Colonies


IBA Justification

The site was identified as important in 2012 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
Aleutian Tern Onychoprion aleuticus VU breeding 1974-2009 1,720 individuals A4i

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2012) may differ.


IBA Protection

Year Protected Area Designation % overlap with IBA
1978 Copper River Delta Critical Habitat Area 75
1999 Copper River Delta Megasite Fee Private Conservation Land <1


Recommended citation
BirdLife International (2024) Important Bird Area factsheet: East Copper River Delta Colonies (USA). Downloaded from https://datazone.birdlife.org/site/factsheet/east-copper-river-delta-colonies-iba-usa on 23/11/2024.