This is one of largest protected tract of land in Belize. The IBA is located in the northwestern part of Belize and is comprised of the Aguas Turbias National Park, Rio Bravo Conservation Management Area and the Gallon Jug Estate. The latter two sites are privately owned.
This 201,200 ha area has 444 recorded species of which 305 are residents, 277 are known or thought to breed in the area, 166 are species not known to nest in the area and 139 that are considered migrants. These include species that meet the A1, A2, A3, A4i, A4ii and A4iii trigger criteria.