The species is dimorphic in appearance. Roughly half the individuals are mostly dark bronze, but with white patches, similar to the King Shag; the remainder are bronze all over. The two morphs breed together indifferently. These chunky birds are 65–75 cm and weigh 1.8-3.9 kg .
The Bronzed Shag is classified as Vulnerable (VU), considered to be facing a high risk of extinction in the wild.
chalconotus) also known as Bronzed Shag or Stewart Shag, is a species of shag endemic to the southernmost parts of the South Island of New Zealand, from the Otago Peninsula south to the Foveaux Strait, and to Stewart Island, from which it takes its name.The species is dimorphic in appearance. Roughly half the individuals are mostly dark bronze, but with white patches, similar to the King Shag; the remainder are bronze all over. The two phases breed together indifferently. The birds are up to 70 cm in length. More