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Single Birds Are Healthier Than Those in Pairs, Say Ornithologists

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Dr. Frigerio and her colleagues investigated the social interactions and health of a colony of Northern Bald Ibis (Geronticus eremita) – a socially monogamous and year-round colonial bird — at the Konrad Lorenz Research Station in Austria.

The scientists found that birds that were in pairs excreted a higher number of fecal samples containing parasite eggs than single birds, indicating that they are less healthy. And females generally excreted more of these nematode eggs than males......


For more: http://www.sci-news.com/biology/single-birds-healthier-than-those-in-pairs-03652.html

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