[unable to retrieve full-text content]Study shows birds eavesdrop on owls and change their dusk singing patterns to avoid becoming potential prey. If you hear an owl hooting at dusk, don't expect to catch the flute-like song of a Veery nearby. This North American thrush has probably also heard the hoots, and is singing much less to ensure that it does not become an owl's next meal.
Source: http://feeds.sciencedaily.com/~r/sciencedaily/~3/7voZJPhRHcA/130730091257.htm
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