Grasshopper Sparrow

The Chihuahuan Desert grasslands of northern Mexico and the southwestern United States are the principal wintering grounds for 90% of grassland bird species breeding in...
The field season is under way in northern Mexico, where RMBO and partners are studying the winter survival and habitat use of Baird’s and Grasshopper...
Grassland birds are declining faster than any other group of North American birds. The key to reversing these declines may lie on their wintering grounds...
Rocky Mountain Bird Observatory had a productive and successful first field season studying Baird's and Grasshopper Sparrow overwintering survival and habitat use in the Chihuahuan...
A herd of bison grazes the golden-hued grasslands, Ferruginous Hawks patrol the skies for jackrabbits, and packs of coyotes yip back and forth across the...
Rocky Mountain Bird Observatory’s International Team is monitoring and banding birds in the Chihuahuan Desert grasslands in northern Mexico with the help of 26 local...