Quercus michauxii, native to piedmont and lowlands from New Jersey to northern Florida, Texas, and southern Indiana.

plural of chestnut-flanked sparrowhawk

plural of swamp chestnut oak

plural of Moreton Bay chestnut

A large Australian tree with showy flowers and poisonous seeds, prized for its dense, attractive wood, Castanospermum australe.

Poecile rufescens, a small bird of the tit family Paridae

Sittiparus castaneoventris, a small bird of the tit family Paridae

Emberiza fucata, a passerine bird in the bunting family Emberizidae.

A species of mannikin (estrildid finch), Lonchura castaneothorax, of Australia, New Guinea, and New Caledonia.

plural of chestnut-breasted mannikin