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Offspring sex ratio allocation in the parasitic jaeger: selection for pale females and melanic males?

by Janssen, Kirstin, Erikstad, Kjell Einar, Bensch, Staffan
Published in Behavioral Ecology (2006)
“... declined with season, and matched pairs appeared to be of lower quality than mixed pairs. The proportion...”

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Offspring sex ratio allocation in the parasitic jaeger: selection for pale females and melanic males?

by Janssen, Kirstin, Erikstad, Kjell Einar, Bensch, Staffan
Published in Behavioral Ecology (2005)
“... declined with season, and matched pairs appeared to be of lower quality than mixed pairs. The proportion...”

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Are female offspring from a single-egg seabird more costly to raise?

by Kristensen, Ditte Lyngbo, Erikstad, Kjell Einar, Reiertsen, Tone Kristin, Moum, Truls, Barrett, Robert T., Jenni-Eiermann, Susanne
Published in Behavioral Ecology (2013)
“... and reproductive investment in a population of common guillemots ( Uria aalge ) in 2 breeding seasons. The common...”

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Are female offspring from a single-egg seabird more costly to raise?

by Kristensen, Ditte Lyngbo, Erikstad, Kjell Einar, Reiertsen, Tone Kristin, Moum, Truls, Barrett, Robert T., Jenni-Eiermann, Susanne
Published in Behavioral Ecology (2012)
“... and reproductive investment in a population of common guillemots ( Uria aalge ) in 2 breeding seasons. The common...”

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