Great Horned Owl

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Great horned owl calls are divided into three main categories: hoots, chitters, and squawks.

Great horned owl calls can be further subdivided into five types of hoots, four types of chitters, and five types of squawks based on inflection, number of syllables, duration, pitch, volume, and behavioral context. Two types of non-vocal communication are also distinguished: hisses and bill clacking.

Sources: (Baumgartner, 1983), (Kinstler, 2009)
Image: Tim Lumley

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