The Shinnery Oak - Grasslands is a vegetation association largely unique to western Oklahoma and occurs most extensively in Beckham, Roger Mills and Ellis counties. The compiler chose to include all reliable sightings, however rare and unusual, in order that the inquiring student and visitor may be made aware of the rich possibilities open to the alert observer. Observers are encouraged to participate in clarifying and rounding out still further the status of birds in this area. On occasions, some species may be seen in great abundance.
Some species are decidedly local in distribution.
For some species there are only one or two sightings on record. Seyffert, K. 1986. Birds of the Shinnery Oak-Grasslands. Oklahoma Department of Wildlife Conservation. Birds of the Shinnery Oak-Grasslands.