Parus is a genus of Old World birds in the tit family, formerly a large genus containing most of the 50 odd species in the family Paridae. In 2013, the genus was split into different genera based on detailed molecular phylogenetic analysis.

parus or paru: tit or chickadee.

1/ Great Tit (Bạc má lớn, Parus major)
2/ Green-backed tit (Bạc má lưng xanh, Parus monticolus)