copyright holder of this work, hereby publish it under the following license: Derivative works of this file: CassinsAndWesternKingbirds.jpg English...
This image is a derivative work of the following images: File:Tyrannus-verticalis-001.jpg licensed with Cc-by-sa-3.0-migrated, GFDL 2007-06-18T19:32:47Z...
Geographic Birds of North America, 4th edition, page 299 The th File:Tyrannus-verticalis-001.jpg licensed with Cc-by-sa-3.0-migrated, GFDL 2007-06-18T19:32:47Z...
Description: Western Kingbird (Tyrannus verticalis) Creator: John and Karen Hollingsworth Source: WV10281-001 URL: Fish and Wildlife Service Location:...