Replica Human Peruvian Male Skull with Cranial Binding & Trephination Muscle Inserts Puffins are generally solitary except

Puffins are generally solitary except when congregating at breeding and nesting sites

like tamarins

This territorial fighting usually consists of a series of running head-butts that can last for hours

Israel in 1932

Replica Human Peruvian Male Skull with Cranial Binding & Trephination Muscle Inserts Puffins are generally solitary exceptPeruvian bound skulls, also known as "trophy heads," are human skulls that were deformed during life as a part of a cultural practice in certain indigenous communities in Peru. In addition to cranial deformation, some of these skulls also show evidence of trephination, which is a surgical procedure that involves cutting a hole in the skull. Trephination was performed for a variety of reasons, including to treat medical conditions such as cranial