red-winged blackbird, sweetwater wetlands tucson arizona, usa

2018 and are arizona bird birding blackbird blackbirdagelaius bulrush cattail cottonwood crow desert duckweed facility filled for habitat june managed mesquite oasis perched phoeniceus photographed ponds raven reclaimed redwinged riparian saltbush southwestern stream surrounded sweetwater treatment tree tucson usa wastewater wetlands wildlife willow wolfberry