Siberian thrush
A migratory thrush species (Turdus sibiricus) with a distinctive white eyebrow stripe.
The Siberian thrush is seen in Japan as a passage migrant in spring and autumn.
Kanji spelling is rare; the bird is almost always written in kana.
The name マミジロ literally means 'white eyebrows', from 眉 (まみ, eyebrow) and 白 (しろ, white), referring to the bird's prominent white supercilium.