The Thick-billed Spiderhunter is a forest bird with a notably thick bill. Its range extends from the Thai-Malay Peninsula to Sumatra and Borneo.
The adult has a notably thick bill, a gray-olive throat and upper breast, brown upperparts, and a broken pale-yellow eyering.
Oiseaux.net's additional data classifies it as diurnal and sedentary, with an omnivorous diet. Specific foods are not inferred from that entry.
An extinction-risk assessment has not been added yet.