Male White faced meadow hawk

White-faced meadowhawks have multiple color patterns

July 21, 2021

A mating wheel allows a precise comparison of the colors and patterns of males and females The little marsh swarmed with insects. Tiny moths popped up from the grass, darted a short distance and then disappeared back into the grass. Small wood nymph butterflies kept searching for the perfect spot...

Funk with a Rosy Finch

Researchers solve puzzle of Colorado songbird’s evolution

July 15, 2021

Mountains both help create new species and subspecies of the rosy finch and keep them distinct, according to new research from CU Boulder

Budgerigar Research

Behavioral ecologist finds parakeet’s intelligence helps in reproduction

July 8, 2021

New research from CU Boulder sheds light on the cognitive functions of male ‘green parakeets’ or budgerigars

Sudings group on Niwot ridge

Longer growing season could transform the tundra

June 11, 2021

Warming temperatures are causing plants across alpine and arctic environments to stay green longer and reproduce earlier, scientists find.

Angela_Theodosopoulos

Evolutionary biologist awarded prestigious naturalist medal

May 24, 2021

The Linnean Society of London recognizes CU Boulder researcher for excellent research in the natural sciences.

Two adult males and a juvenile burro in the Sinbad Herd on the San Rafael Swell

Wild burros on the San Rafael Swell

May 18, 2021

Wild or free roaming burros and horses are protected by Federal Law as "living symbols of the historic and pioneer spirit of the West.” A few miles south of the historic swinging bridge crossing the San Rafael River, a group of 10 burrows grazed on a rolling plain beneath hills...

Great Heron

A local great blue heronry provides a natural spectacle

April 13, 2021

Social systems of great blue herons vary dramatically, from solitary nests to large heronries, and some heronries include nests of great egrets and cattle egrets.

Demmig-Adams

Barbara Demmig-Adams wins 2021 Hazel Barnes Prize

April 1, 2021

EBIO professor noted as a superb teacher and speaker, as well as a paradigm-shifting researcher for her work with plant physiology in extreme conditions.

Golden-mantled ground squirrels sound an alarm call that warns not only squirrels but marmots as well

Alarm calls share information among species

March 31, 2021

The sharing of vigilance and alarms by golden-mantled ground squirrels and yellow-bellied marmots is not unique.

flowers

CU Boulder biologist is named an early career fellow

March 26, 2021

Ecological Society of America recognizes Julian Resasco for his work to advance understanding of human impacts on biodiversity.

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