A plain to the east of Zafra with non-irrigated cereal cultivation, grasslands, and dehesas. There are also some vineyards and olive-groves.
An important area for wintering Grus grus and breeding steppic birds.
BirdLife International (2019) Important Bird Areas factsheet: Bienvenida-Usagre-Ribera del Fresno. Downloaded from http://www.birdlife.org on 09/12/2019.