I tripped over this link on the bizarre religious implications conveyed by whether the madonna is depicted as holding her breast in a pseudo-zygodactylous manner while spraying milk on worshippers while researching some bizarre details on how geckos use van der Walls forces to stick their feet to things. I got distracted by chameleon feet which are two-pronged to best cling to twigs and branches and was then fascinated by the term "zygodactylous", which describes this.
Breasts? Ya want breasts?