Observatoire des droits humains (anglais seulement)

Mountain chickadee chatter: Scientists are decoding the songbird’s complex calls

(Version anglaise seulement)

par Sofia Marie Haley, Ph.D. Student in Cognitive Ecology, University of Nevada, Reno

I approach a flock of mountain chickadees feasting on pine nuts. A cacophony of sounds, coming from the many different bird species that rely on the Sierra Nevada’s diverse pine cone crop, fill the crisp mountain air.

The strong “chick-a-dee” call sticks out among the bird vocalizations. The chickadees are communicating to each other about food sources – and my approach.

Mountain chickadees are a member of the family Paridae, which is known for its complex vocal communication systems and cognitive abilities. Along with my advisers, behavioral ecologists

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