Black-backed Wagtail
Motacilla alba lugens

♂　Nagasaki city, 11 May 2014

♀　Nagasaki city, 12 Apr. 2008

Juv.　Isahaya bay area, 6 Dec. 2011

Juv.　Isahaya bay area, 26 Jun. 2020

Juv.　Isahaya bay area, 26 Jun. 2020

First-winter ♂　Isahata bay area, 1 Sep 2023