Double-Crested Cormorant - Nannopterum auritus (Phalacrocorax auritus) - Geoorde Aalscholver
North America and Caribbean.

The following 5 subspecies are being recognized:
Nannopterum auritus cincinatus - South-Alaska to Southwest-Canada;
Nannopterum auritus albociliatus - Southwest-Canada to South-California;
Nannopterum auritus auritus - Central- and East-Canada, Northeast-USA;
Nannopterum auritus floridanus - South- and Southeast-USA;
Nannopterum auritus heuretus - Cuba, Bahamas.

Of this species there are no Zoo Photo's available.