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A strange warbler found in a Pennsylvania backyard is the first-of-its-kind three-species hybrid, indicating nearby endangered warblers might be making the best of a declining population—but at a cost, according to new research from the Cornell

Avani Fachon, a CU undergraduate with a major in ecology and evolutionary biology and a minor in media production, has created an honors thesis project as a multimedia, interactive website titled Rituals of this Good Earth: An Exploration of

It's the first time this variant has been detected in a wild, non-migratory North American species, but there's no cause for alarm yet, experts say.When Angela Theodosopoulos began studying Colorado's Mountain and Black-capped

NPAW is sponsored by the National Postdoctoral Association, of which all CU Boulder postdocs are members, to highlight the research, scholarly and creative contributions of postdocs.  Outstanding Postdoc AwardsThis year’s Outstanding

Fall means cooler temperatures, changing leaves and apples ready for the picking. This year, there is a bumper crop of ripe Delicious, Ben Davis and yet-to-be-identified fruits in and around Boulder thanks to a wet spring. For some, it may come

Mountains both help create new species and subspecies of the rosy finch and keep them distinct, according to new research from CU BoulderSpeciation—how species come to be—and how species diverge are two of the most important aspects of

New research from CU Boulder sheds light on the cognitive functions of male ‘green parakeets’ or budgerigarsOn PetSmart’s website and in stores, the vibrant green, yellow, blue and white budgerigar, an Australian grassland bird, is listed as a “

CU Boulder and University of Nevada Reno professors win $2.7 million grant from the NSF to study spatial cognition in chickadeesSpatial cognition—how space is perceived and remembered—is an incredibly important trait that can determine life or death

The Side by Side project teaches high school students about local birds’ ecosystems through performative arts and scientific observationBarn swallows nesting under a bridge near CU Boulder’s East Campus swoop and dive for insects to feed their

The oldest naturalist society in the world has recognized a University of Colorado Boulder researcher for his “exemplary” work both within the sciences and the broader community, the society announced in a virtual awards ceremony today.Scott Taylor