ML271416221

觀察細節

4 spotted doves were observed at different locations with some perched on trees and foraging on the ground. 1 of them was observed to be perched on a tree resting while vocalizing a constant call that sounded like a soft and low coo-coo-coo at a regular interval and another was heard (but not seen) seemingly responding to its vocalization with a shorter low coo-coo; (r)