-
plumage have
persisted for generations.
Ornithologists James Han**** and Jim
Kushlan also
consider the two to be a
single species, with the
differences in plumage...
-
Information System (ITIS).
Retrieved 2016-11-13.
James Han****;
James Kushlan (1984). The
Herons Handbook.
Croom Helm. pp. 101–104. ISBN 0-7099-3716-4...
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Philip (1992). Storks,
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Daley 2018.
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Retrieved 12
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Archived from the
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Kushlan, J. A. (2011). The
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