The First Specimen of Chinese Merganser Mergus squamatus Collected from Japan

Abstract

A dead adult male Chinese Merganser Mergus squamatus was collected at the Agano River, Niigata Pref., 10 February 1987. This is the second record of this species in Japan, and the first specimen collected from Japan (The first photo record of a pair was from Kiso River, February, 1986).