The adult bird grew up to 8 inches in length. The male and female of the species looked similar. It was dark brown above and gray below with black legs. It was closely related to the other species of Hawaiian thrushes, the Puaiohi , the ʻŌmaʻo and the probably extinct Olomaʻo .
The Myadestes myadestinus is classified as Extinct (EX), there is no reasonable doubt that the last individual has died.
Nothing known about the Myadestes myadestinus