A Mountain Bluebird with a Killdeer behind forage for insects that thrive in the warm waters of a Mammoth Hot Springs in Yellowstone National Park. The warm waters provide food for birds that have arrived early this year before the spring thaw.
A Mountain Bluebird with a Killdeer behind forage for insects that thrive in the warm waters of a Mammoth Hot Springs in Yellowstone National Park. The warm waters provide food for birds that have arrived early this year before the spring thaw.