Eavesdropping birds learn meaning of foreign alarm calls just by listening

Birds often eavesdrop on the alarm calls of other species, making it possible for them to take advantage of many eyes looking out for danger. Now, researchers have found that fairy-wrens can learn those unfamiliar calls — which they liken to a foreign language — even without ever seeing the bird that made the call or the predator that provoked it.
Source: University of Bristol news - Category: Universities & Medical Training Tags: Research; Faculty of Life Sciences, Faculty of Life Sciences, School of Biological Sciences; Press Release Source Type: news