The Grey-throated Leaftosser lives near the ground in humid foothill and montane forest. It turns over leaves with its bill while searching for invertebrates.
The plumage is mostly brown with a dark tail. A white to pale-grey throat and front of the face contrast with the rufous chest; the account says the sexes look similar.
In humid foothill and montane forest, it forages on or close to the ground, flipping leaves with its bill to find insects and other invertebrates.
An extinction-risk assessment has not been added yet.