Tree Pipit 
( Anthus trivialis)

The tree pipit (Anthus trivialis) is a small passerine bird that breeds throughout most of Europe and the Palearctic as far east as the East Siberian Mountains.

The Wagtails, the pipits and longclaws form the family Motacillidae (Họ Chìa vôi).
Passeriformes, Passerina, passerina: Latin passerinus sparrow-like, (i.e. sparrow-sized) (passer sparrow).
Motacillidae, Motacilla: From Latin motacilla (“wagtail”).
The genus name Anthus is the Latin name for a small bird of grasslands.
The specific trivialis means "common" or "ordinary" (from Latin trivium meaning "public street").