Bibliography

Clements Checklist of Birds of the World, 6th Edition, Cornell Lab of Ornithology
Collins Bird Guide, 2nd Edition, HarperCollinsPublishers [Lars Svensson, Killian Mullarney, & Dan Zetterstrom]
Τα Πουλιά της Ελλάδας της Κύπρου και της Ευρώπης, 2η Έκδοση, Ελληνική Ορνιθολογική Εταιρία [Lars Svensson, Killian Mullarney, & Dan Zetterstrom]
Birds of the Middle East, 2nd Edition, Helm Field Guides [Richard Porter, Simon Aspinall, John Gale, Mike Langman, Brian Small]