Castle Rock


IBA Justification

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 ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:
Species Red List Season (year/s of estimate) Size IBA criteria
Brandt's Cormorant Urile penicillatus LC breeding (1974–2009) 2,490 birds A4i

IBA Protection

Year Protected Area Designation (management category) % coverage of IBA
- Castle Rock National Wildlife Refuge (IV) 21
2012 Castle Rock Special Closure (Ia) 39


Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Castle Rock (USA). Downloaded from https://datazone.birdlife.org/site/factsheet/castle-rock-iba-usa on 25/12/2024.