Six-year-old male was last found at Starr Ranch in 2011.
California monuments are among dozens of designations that the Administration may attempt to reverse.
Student group gets certification from Altacal Audubon in Northern California for ‘Neighborhood Habitat’
Studying population dynamics and dispersal in urban habitat islands
The wall's 140-mile path through California habitat will have a significant effect on threatened and endangered birds.
Birders across the country take to the streets in historic March for Science.
But even in a wet year, infrastructure issues prevent water from getting to birds in some refuges.