Peter Kovalik
Well-known member
Francisco Voeroes Dénes, Luís Fábio Silveira, Sergio Seipke, Russell Thorstrom, William S. Clark, and Jean-Marc Thiollay, 2011. The White-collared Kite (Leptodon forbesi Swann, 1922) and a Review of the Taxonomy of the Grey-headed Kite (Leptodon cayanensis Latham, 1790). The Wilson Journal of Ornithology, Volume 123 Issue 2 pg(s) 323–331.
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Abstract