Published in
Cell Press, Current Biology, 11(17), p. R422-R424, 2007
DOI: 10.1016/j.cub.2007.03.061
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Behavioural Ecology: Niche Construction via Grooming and Extortion?
Journal article published in 2007 by
Sasha R. X. Dall 
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Abstract
A recent study shows that brood parasitic cowbirds employ Mafia-like tactics to discourage rejection of their broods by a common host. This may be a new example of animals adaptively 'constructing' key features of their ecological niches.