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Perhaps for security, in accordance with one study. The possibility fathers works together to get rid of predators from attacking their young. Ths challenges established

this informative article had been initially posted on Kilden – news and information about sex research in Norway. Browse the original essay.

“In numerous species, including the blue tit, females frequently mate with numerous men. We’ve known this considering that the 1990s. Issue has been why. For the very long time it had been thought it had been to make sure that the offspring got the ‘best’ genes. But our studies suggest so it may need to do with totally reasons that are different” claims Adele Mennerat.

Mennerat is really a post-doctoral research other into the Department of Biology during the University of Bergen. She additionally shows in the Centre for Women’s and Gender analysis.

Blue breasts pair down in the wintertime. While just females develop nests, they share the feeding task with the men if the young are created. If the chicks are given a DNA test, it’s going to usually show they have as much as three to four different dads. With regard to simpleness, let’s call these chicks which are not the offspring associated with the male feeding them, “extra-pair chicks”.

“The primary theory was that the dads associated with the ‘extra-pair chicks’ had specially good genes and that this is why the feminine had mated using them. Read more »