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Purrs, Moans and Shrieks from the Deep

In their foraging grounds of the dark, frigid waters in southeast Alaska’s Fredrick Sound, humpback whales are calling to one another with “purrs,” “shrieks,” “wops” and “moans.” To find out why they speak and what they might be saying, Oregon State University graduate student Michelle Fournet is listening.

Birding by Ear Online

Recording the subtle syllables, notes and motifs that distinguish one bird species from another requires some pretty sophisticated gear. But for OSU researchers, collecting audio data in an old-growth forest last summer was a walk in the park compared with analyzing it. “It’s a lot of data,” reports Jed Irvine, a faculty research assistant in […]