• Cameron-MacMillan, M.L., Walsh, C.J., Wilhelm, S.I. & Storey, A.E. (2007) "Male chicks are more costly to rear than females in a monogamous seabird, the Common Murre" Behavioral Ecology 18(1):81-85
    [notes]
    http://dx.doi.org/10.1093/beheco/arl048


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