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

By | Partners, Science | No Comments

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 western Great Plains of North America. Species such as Baird’s Sparrows, Chestnut-collared Longspurs and Sprague’s Pipits, which rely on this region during the winter, have declined by upwards of 80% since the 1960s. Results from Rocky Mountain Bird Observatory and cooperators’ research, published in February in the journal Biological Conservation, shed light as to why these birds are declining and emphasize that unless immediate action is taken, forecasts are dire.

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Saving the Aplomado Falcon in the Grasslands of Chihuahua, Mexico

By | Partners, Science, Stewardship | No Comments

“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 Lands Wildlife Biologists Roberto Rodríguez and Pedro Calderón report from Chihuahua on last season’s monitoring of this iconic, grassland species and efforts to conserve its dwindling habitat there.

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New Locales Lead to Cool New Species for IMBCR Program

By | Partners, Science | No Comments

Now that fall is upon us in the Rockies, RMBO biologists and technicians are finishing proofing data gathered this summer under the Integrated Monitoring in Bird Conservation Regions (IMBCR) program. It’s not glamorous, but with proofing data comes the confirmation of cool new species for the program. Biologist Nick Van Lanen reports on the summer field season and species detected for the first time during IMBCR surveys.

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Up, Up and Away to Survey Raptors in Nebraska

By | Partners, Science | No Comments

In early June, a LightHawk pilot and his wife volunteered their time and plane to help Rocky Mountain Bird Observatory with a census of Ferruginous Hawks and Golden Eagles nesting in the panhandle region of western Nebraska. How many birds were spotted on their nests? Wildlife Biologist Angela Dwyer offers results from the surveys, used to gauge population stability for these species.

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Squirrels: Feed Them or Defeat Them?

By | Bird-friendly Living, Partners | No Comments

A wide variety of people love to feed a wide variety of birds, and these nature-lovers, in turn, have a wide variety of attitudes about squirrels. Some folks want the best recipe for squirrel stew, while others want to know how to keep the blue jays out of the squirrel feeder. Scott Menough, owner of Wild Birds Unlimited of Denver, offers tips on protecting your bird feeder from pesky critters.

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