Center for Biological Diversity
Centro Cultural Cidreño
Comité Despertar Cidreño
Departamento de Recursos Naturales y Ambientales
Earthjustice
Earth Law Center
eBirdEndangered Species Coalition
IUCN Red List of Threatened Species
Sociedad Ornitológica Puertorriqueña
USFWS Puerto Rican Plain PigeonUSFWS Recovery Plan Ad Hoc Report
