ML633481103

观察细节

Observed two individuals walking together a ways south of parking area, (seen while driving northbound along west boundary). ... As I started walking eastbound from the parking area, I heard two individuals making brassy, rattling calls to the south (likely the first two individuals again), and then heard additional calls to the north, simultaneously. ... A while later, I saw two individuals flying together fairly low, coming northbound (likely the first two individuals). ... Later, saw two individuals flying southbound together (possibly the same ones that were calling from the north earlier). ... (Posted cropped image from a digiscoped photo of one of two individuals flying past my location, a ways east of parking area.)