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.
Selgitamaks katse teel välja, mis kütkestab emast huntämblikku kurameeriva isase juures – kes püüab avaldada emastele muljet, viibutades nende suunas oma karvaseid esijalgu –, salvestasid teadlased isasämbliku videolindile, misjärel nad eemaldasid digitaalselt selle jalgadelt karvatutid.