Chihuahuan Desert

Field Season Wraps Up in Mexico: Why Was Sparrow Survival Higher This Winter?

Spring migration is under way. Just as the birds return north, so do the RMBO scientists who study them on their wintering grounds. Back home...

Study: Expansion of Croplands in Chihuahua, Mexico, Threatens Declining Grassland Birds

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...

Update from Chihuahua, Mexico: Sparrows, Sparrows and More Sparrows!

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...

Sites Added to Grassland Bird Winter Survival Study

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...

Saving the Aplomado Falcon in the Grasslands of Chihuahua, Mexico

“Another nest has failed.” This is the recurring news that technicians monitoring Aplomado Falcons in Chihuahua, Mexico, have reported over the last 18 years. Private...

A Season of Success, Surprises and Insight into Baird’s and Grasshopper Sparrow Winter Survival

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...

Fieldwork in Chihuahua, Mexico: Identifying Threats to Overwintering Grassland Birds

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...

Conservation Plan Addresses Decline of Grassland Birds

Rocky Mountain Bird Observatory has released the first-ever conservation plan for grassland bird species that winter in the Chihuahuan Desert, with support from the Rio...

Study Delves into Winter Life of Grassland Birds

RMBO has released Wintering Grassland Bird Densities in Chihuahuan Desert Grassland Priority Conservation Areas, 2007-2011documenting bird abundance, distribution, habitat use and other information collected over...

RMBO Follows Birds South for Winter

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...

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