The Slender-footed Tyrannulet is a small flycatcher of South America. In the current species treatment, the Guianan Tyrannulet, Zimmerius acer, is separate and is not included here. This species lives in moist lowland forest and on tepuis, feeding on insects and small fruits.
The upperparts are olive-brown. Brown wings have yellow edges to the feathers and no wingbars.
It inhabits moist lowland forests and tepui habitats, and eats insects and small fruits, especially mistletoe berries.
An extinction-risk assessment has not been added yet.