Westby Prairie-Wetland Complex


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
Piping Plover Charadrius melodus NT breeding 2007 21 breeding pairs A1
Sprague's Pipit Anthus spragueii VU breeding 2007 37 breeding pairs A1
Chestnut-collared Longspur Calcarius ornatus VU breeding 2007 77 breeding pairs A1

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
1962 Sheridan County Waterfowl Production Area 19


Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Westby Prairie-Wetland Complex (USA). Downloaded from https://datazone.birdlife.org/site/factsheet/westby-prairie-wetland-complex-iba-usa on 22/11/2024.