10,000 Birds
JULY 22, 2014
They have expanded their range through Indonesia and into Australia and is found in post breeding dispersal as far north as South Korea and Japan. The following decades continued the great expansion, and it was recorded breeding in Canada in 1962 and Chile by 1970. There are two main subspecies, the nominate B. coromandus.
10,000 Birds
SEPTEMBER 8, 2023
And when writing a field guide, it is accepted practice to adopt one of the above and to stick to it, with any questions or disagreements safely ensconced in the text, not in an actual change of species. They also occasionally show breeding colonies or isolated populations, possible occurrences, and directions of range expansion.
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