Medically prepared human disarticulated skull bones These are long lived birds

These are long lived birds with a life span of over 55 years although many of the juvenile die in their first long migration

probably varying locally

America and Asia

This example was part of a collection that came from a medical college

They breed in huge colonies with a density of up to 20 pairs on one square metre of rock

Medically prepared human disarticulated skull bones These are long lived birdsThese bones were part of a collection from a medical school museum. This is a collection of disarticulated skull bones comprising of the frontal, two parietals (both left) and a sphenoid. The parietals still have the medical school collection number on them. All the bones have a very pale white colour which would suggest that they were prepared in the second half of the last century.