Suisun Marsh


IBA Justification

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
Black Rail Laterallus jamaicensis EN - - present A1

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


IBA Protection

Year Protected Area Designation % overlap with IBA
- Belden's Landing Fishing Access <1
1976 Peytonia Slough State Marine Park 1
1976 San Francisco Bay-Suisun Marsh Easement <1
1982 Hill Slough Wildlife Area 1
1983 Grizzly Island Wildlife Area 19
1987 Rush Ranch Open Space <1
2003 San Francisco Bay National Estuarine Research Reserve 2


Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Suisun Marsh (USA). Downloaded from https://datazone.birdlife.org/site/factsheet/suisun-marsh-iba-usa on 23/11/2024.