PhysOrg Posted January 14, 2014 Share Posted January 14, 2014 The several variables in the song of every male spectacled warbler could play a crucial role in the mating, defending territory and recognition between individuals of this species. Studying their acoustic signals will help to understand how this bird, with a small brain and limited social needs, can use a complex system of communication. Read the full article on PhysOrg Link to comment Share on other sites More sharing options...
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