The Little Woodstar, Colibri Bourdon, ColibrÍ Abejorro, or Estrellita Chica (Chaetocercus bombus) is a species of hummingbird in the Trochilidae family. It is found in Colombia, Ecuador and Peru.

Its natural habitats are subtropical or tropical dry forests, subtropical or tropical moist lowland forests, and subtropical or tropical moist montane forests. It is vulnerable to habitat loss.