The Blue-eared Lory is the smallest Eos at 24cm long. It has a red body with blue cheeks, chin, and ear-coverts, purple-blue abdomen and undertail coverts, and black streaked wings. The adult has an orange beak with juvenile's pink.
The Blue-eared Lory is sometimes found in the altitude as low as 800m, but primarily from 1600-2400m. It feeds on flowering trees, including tree-heathers above the tree-line. The flocks are small.
A common species in its limited range, the Blue-eared Lory is evaluated as Least Concern on the IUCN Red List of Threatened Species.