The Grey Shrikethrush varies in color across its range, from gray to brown. It searches for food on the ground and on tree trunks and branches in Australian forests and woodlands.
Birds are mostly gray in the east and mainly brown in the north. Western birds are gray with buff underparts. Adult males have a browner mantle than females, and young birds may have rufous on the cheeks and wings.
It searches for food on the ground around fallen logs and on tree trunks and branches. Pairs generally stay together for life, build a nest from dry vegetation, share incubation, and care for their young.
An extinction-risk assessment has not been added yet.