Abstract Copulation duration is a response to seed competition. Of many determinants of copulation duration in arthropods, I investigated the variation in copulation duration of mate-guarding worm-...
Mean mass measurements of Green Woodhoopoes and Violet Woodhoopoes were compared. Violet Woodhoopoe Phoeniculus damarensis was measured and found to differ from Green Woodhoopoe P. purpureus when t...
Positive assortative mating or homogamy was a mating pattern and a form of sexual selection in which individuals with similar phenotypes mated with each other more frequently than would be expected...