"Nycticorax olsoni" .
"Ardeidae" .
"Animalia" .
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"Nycticorax olsoni Bourne W.P., Ashmole N.P. and Simmons K.L. 2003" .
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"Ascension Night Heron" .
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"Chordata" .
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"Nycticorax" .
"Ciconiiformes" .
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"Bourne W.P., Ashmole N.P. and Simmons K.L. 2003" .
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"Aves" .