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For example, are the positive or negative effects of the microbiome caused by specific species or is it the composition of the whole microbial community that is important? The ecology and evolution of reproductive biology and behaviour in animals, especially birds, is Rowe's field of research. Recently, she has started as a scientist in the Department of Animal Ecology with the Netherlands Institute of Ecology. In mallard ducks, males with a more colourful bill produce semen that is better able to kill bacteria, thereby possibly influencing the females' partner choice for a 'safe' male. ScienceDaily shares links with scholarly publications in the TrendMD network and earns revenue from third-party advertisers, where indicated. But you are not actually alone. It appears to be such an intimate moment, with only the two of you

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