Hybrid songbirds found more often in human-altered environments

Hybrids of two common North American songbirds, the black-capped and mountain chickadee, are more likely to be found in places where humans have altered the landscape in some way, finds new University of Colorado Boulder ...

New study links the decline of alpine bees to climate change

A new study by Webster University Biology Associate Professor Nicole Miller-Struttmann, University of Missouri at Columbia Professor Emerita Candace Galen and University of Missouri Ph.D. student Zack Miller has identified ...

Competition limits the ranges of mountain birds

A new study helps reveal why tropical mountain birds occupy such narrow elevation ranges, a mystery that has puzzled scientists for centuries. While many assumed temperature was responsible for these limited distributions, ...

Glacial microclimates mimic climate change

A cool pocket climate around the snout of a glacier could help researchers predict how forests will respond to fast climate change, according to the authors of a new 120-year case study of a rapidly advancing and retreating ...

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