Bird masturbation appears natural across 120 species

Published in Ecology and Evolution, the study is the first of its kind, and challenges current approaches among vets and animal practitioners. Masturbation has previously been thought to be caused by unnatural captive living conditions and is a damaging behavior that requires veterinary interventions, including dietary adjustments, drug and hormonal therapy, and in some extreme cases, even surgery. Bird masturbation appears natural across 120 species, challenging long-held veterinary advice Say what? Something new everyday.