Searching for sparrows in the Sky Islands - High Country News
Briefly

In Sonora, a group of university students, led by rancher Eduardo de los Colores, is engaged in restoration efforts by removing invasive catclaw mimosa shrubs to support native grass growth and bird habitats. The Sky Island Alliance is collaborating with ranchers to monitor grassland bird populations, particularly in the San Pedro River watershed, which spans the U.S.-Mexico border. With no monitoring on the Mexican side for 15 years, strategies are being implemented to understand habitat challenges throughout migratory routes and wintering grounds, critical for effective conservation.
"We have to understand threats along the migratory route and on the wintering grounds." - Eamon Harrity, emphasizing the importance of monitoring bird populations beyond nesting sites.
"...the pasture would eventually become a seed bank for native grasses that provide crucial bird habitat." - Comment on the restoration efforts following the removal of invasive species.
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