Rennell gerygone

The Rennell gerygone (Gerygone citrina) is a species of bird in the family Acanthizidae. It lives on Rennell Island. It was formerly considered a subspecies of the fan-tailed gerygone (Gerygone flavolateralis), but was split as a distinct species by the International Ornithologists' Union in 2021.

Its natural habitat is subtropical or tropical moist montane forests.