Eurasian Tree Sparrow

Passer montanus

Christmas Isl IMG_3445 20190220 - adult CLICK for another pic.

Notes: Like slightly larger House Sparrow but black ear spot encircled by white cheek.
Black bill when breeding, paler otherwise. Juvenile duller, yellowish base to lower mandible.
Rarely observed away from towns, farms. Introduced from SE Asia.

Range from eBird© (last 10 years)