Pelagic Cormorant (Urile pelagicus) [XC149497]
by Andrew Spencer from Imperial Beach Pier, San Diego County, California, United States (call)
Pelagic Cormorant (Urile pelagicus) [XC209337]
by Ian Cruickshank from Helliwell Park, Hornby Island, British Columbia, Canada (call)
Subspecies
Kenyon's Shag (Phalacrocorax kenyoni), described by Siegel-Causey (1991), and previously treated as a species in Collar et al. (1994), is no longer recognised as distinct following Rohwer et al. (2000) who considered it indistinguishable from Pelagic Cormorant (Urile pelagicus).
The following 2 subspecies are recognised:
pelagicus Pallas, 1811 - North-west Pacific east to southern Alaska.
resplendens Audubon, 1838 - British Columbia to north-western Mexico.