Systematic Review, Intergradation, and Clinal Variation in Cliff Swallows

Publication Type:Journal Article
Year of Publication:1976
Authors:Behle, WH
Journal:The Auk
Date Published:1976
ISBN Number:00048038
Keywords:Hirundinidae, Hirundo, Hirundo pyrrhonota, Hirundo rustica, Petrochelidon pyrrhonota
Short Title:The Auk
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith