Trait lmentaire et complet d'ornithologie, ou, Histoire naturelle des oiseaux /.A Paris :Chez l'Auteur ... Duprat :1800--An VIII..biodiversitylibrary.org/page/39476376
Summary[edit] Description: English: Specimen of Loxia megaplaga collected by a Smithsonian expedition in 1912. Date: 1912. Source: Original publication: Expeditions organized or participated in by the Smithsonian Institution 66 (17): 38 Additional source (with incorrect lower image from page!) at Flickr. Author: William Louis Abbott (Life time: 1860-1936).
Summary[edit] Description: English: Red Crossbills (Male), Cabin Lake Viewing Blinds, Deschutes National Forest, Near Fort Rock, Oregon. Date: June 2006. Source: http://www.naturespicsonline.com/ (higher resolution version obtained in correspondence with website owner). Author: Elaine R. Wilson, www.naturespicsonline.com. Permission(Reusing this file): www.naturespicsonline.com explicitly releases to public domain (Update: the web site since states "Attribution-ShareALike 3.0 Unported as described by Creative Commons in their Public License" for its images, which at one point were explicitly declared public domain; suggest that this license change be honored).
Summary[edit] Description: Common Crossbill Loxia curvirostra captured at Naltar, Gilgit, Gilgit-Baltistan, Pakistan with Canon EOS 7D Mark II. Date: 26 September 2017, 12:53. Source: Red Crossbill (Loxia curvirostra). Author: Imran Shah from Islamabad, Pakistan. Camera location36° 13′ 04.17″ N, 74° 07′ 01.93″ EView all coordinates using: OpenStreetMap 36.217825; 74.117202.
Summary[edit] Description: Norsk bokmål: Furukorsnebb hann. Bilde tatt på Lista. English: Parrot Crossbill male. Photo taken on Lista, Norway Nederlands: Grote Kruisbek Svenska: större korsnäbb Dansk: Stor Korsnæb Deutsch: Kiefernkreuzschnabel. Date: 4 December 2008, 11:57:38. Source: Own work. Author: Marton Berntsen.