The Raptor Research Foundation (RRF) is a United States based ornithological society, focusing on the behavior, ecology, and conservation of birds of prey. It was founded on 11 February 1966 as a non-profit scientific society with the primary goal of accumulating and disseminating scientific information about hawks, eagles, falcons and owls. It publishes the quarterly journal The Journal of Raptor Research, as well as a newsletter, Wingspan.