The Puerto Rican broad-winged hawk (Buteo platypterus brunnescens) is an endangered[4] subspecies of the broad-winged hawk (B. platypterus).

It is a small hawk that occurs in Puerto Rico,[5] inhabiting the Toro Negro State Forest.

[6] It is restricted to the montane forests of the Cordillera Central, Sierra de Cayey, and Sierra de Luquillo.

In 1994, the Puerto Rican broad-winged hawk population was estimated at 125 individuals islandwide.

[7] Its Spanish common name is guaragüao de bosque.