nut is red-brown, bitter, glabrous, with a conspicuous scar. Bark: Pinky-gray and smooth as juvenile; darker gray with scaly plates when older. The horse-chestnut (Aesculus hippocastanum) of the ...

One of the 3 “brown-backed” species (along with boreal and gray-headed), its nominate subspecies is the most richly colored parid. Polytypic. Length 4.8". The chestnut color of the back is ...