Fagan, J & O Komar 2016. Peterson Field Guide to Birds of Northern Central America. Houghton Mifflin Harcourt Publishing Company, New York, New York, USA. ISBN 978-0-544-37326-6
Fagan, J & O Komar 2016. Peterson Field Guide to Birds of Northern Central America. Houghton Mifflin Harcourt Publishing Company, New York, New York, USA. ISBN 978-0-544-37326-6