雀 - sparrow

skylark (Alauda arvensis)

mahjong; mah-jongg

tree sparrow (Passer montanus)

canary (esp. the island canary, Serinus canaria)

chrysocolla

Kodo millet (Paspalum scrobiculatum)

only a hero can understand a hero; swallows and sparrows can't understand the aspirations of phoenixes and swans

mahjong table

common broom (Cytisus scoparius); Scotch broom; English broom

three-player mahjong; sanma

tree sparrow (Passer montanus)

Adiantum edgeworthii (species of maidenhair fern)