Appearance
Six subspecies are recognised:⤷ "N. p. hypoleuca" Todd, 1916 – north Colombia and north Venezuela
⤷ "N. p. surinamensis" Zimmer, JT, 1947 – Guyana and Suriname
⤷ "N. p. pileata" – French Guiana through central Brazil to north Bolivia
⤷ "N. p. interna" Zimmer, JT, 1947 – north central Brazil
⤷ "N. p. nana" von Berlepsch, 1912 – northeast Peru and west Brazil
⤷ "N. p. caerulea" – east and south Brazil, southeast Peru to east Bolivia, Paraguay and north Argentina
References:
Some text fragments are auto parsed from Wikipedia.
