This is a comprehensive field guide to the all known bird species that preside or migrate through this Refuge.
The Brewer's Blackbird (Euphagus cyanocephalus) is a medium-sized New World blackbird, named after the ornithologist Thomas Mayo Brewer.
The Brown-headed Cowbird (Molothrus ater) is a small brood parasitic icterid of temperate to subtropical North America. They are permanent residents in the southern parts of their range; northern birds migrate to the southern United States and Mexico in winter, returning to their summer habitat around March or April.
The Bullock's Oriole (Icterus bullockii) is a small New World blackbird. At one time, this species and the Baltimore Oriole were considered to be a single species, the Northern Oriole. This bird was named after William Bullock, an English amateur naturalist.
The Western Meadowlark (Sturnella neglecta) is a medium-sized icterid bird, about 8.5 in (22 cm) long. It nests on the ground in open country in western and central North America grassland. It feeds mostly on insects, but also seeds and berries. It has distinctive calls described as watery or flute-like, which distinguish it from the closely related Eastern Meadowlark.
The Red-winged Blackbird (Agelaius phoeniceus) is a passerine bird of the family Icteridae found in most of North and much of Central America. It breeds from Alaska and Newfoundland south to Florida, the Gulf of Mexico, Mexico, and Guatemala, with isolated populations in western El Salvador, northwestern Honduras, and northwestern Costa Rica. It may winter as far north as ...more ↓
The Tricolored or Tricoloured Blackbird (Agelaius tricolor) is a passerine bird of the family Icteridae. Its range is limited to the coastal areas of the Pacific coast of North America, from Northern California in the U.S. (with occasional strays into Oregon), to upper Baja California in Mexico.