(Springer) A study shows that contests of butterflies occur only as erroneous courtships between sexually active males that are unable to distinguish the sex of the other butterflies. These findings by Tsuyoshi Takeuchi from Osaka Prefecture University in Japan were highlighted in a review article in the Journal of Ethology, the official journal of the Japan Ethological Society, published by Springer.
from EurekAlert! - Social and Behavioral Science http://ift.tt/2cplt0O
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