The method works even with spiders. In order to determine what attracts female wolf spiders to courting males ​ — which try to impress females by waving their hairy forelegs at them — ​ researchers experimented by videotaping a male wolf spider and digitally removing the tufts of hair from its legs.
იმას, რომ მდედრ ტარანტულებს მხოლოდ ის მამრები იზიდავს, რომლებიც ბანჯგვლიან ფეხებს უქნევენ ცხვირწინ.