Double-crested Cormorant

This specimen should print in one piece. Note the articulated os nuchale or occipital style on the back of the head. Species: Nannopterum auritum , likely N. a. auritum based on locality. Collected: Fall 2025, near Edmonton Alberta. Out of breeding plumage, sex could not be determined on dissection. Age estimate: Adult Scale: 1:1 Scanned from MacEwan University's biology collection by Gillian Halliday.