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-...więcej »
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...więcej »
The taxonomic status of the Namibian Violet Woodhoopoe Phoeniculus damarensis as determined by mitochondrial DNA, differences between Violet and Green Woodhoopoe mantle feathers, and iridescence of...więcej »
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...więcej »