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Mama Birds Benefit From Help 3 (of 3)

Caption: Photograph of a helper male superb fairy-wren. This image relates to an article that appeared in the Aug. 17, 2007, issue of the journal Science, published by AAAS. The study, by Dr. A. F. Russell and colleagues at the University of Sheffield in Sheffield, UK, was titled "Reduced Egg Investment Can Conceal Helper Effects in Cooperatively Breeding Birds."

Credit: Photo provided by Martin Fowlie, via Science-AAAS.

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