The White-rumped Sirystes ranges from southwestern Venezuela to northern Bolivia in moist lowland forest. Accounts describe it foraging alone or in pairs in the canopy.
It has a raised black crown, grayish-white underparts, and a whitish rump.
The Birds of Bolivia account describes single birds or pairs in the canopy of moist foothill and lowland forest, sometimes in mixed flocks, sallying for arthropods and fruit.
An extinction-risk assessment has not been added yet.