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Bildkällor:
• Lejon: https://commons.wikimedia.org/wiki/File%3ALion_waiting_in_Namibia.jpg, attribution: By Kevin Pluck (Flickr: The King.) [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons
• Tiger: https://commons.wikimedia.org/wiki/File%3A2012_Suedchinesischer_Tiger.JPG, attribution: By J. Patrick Fischer (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons
• Grizzlybjörn: https://commons.wikimedia.org/wiki/File%3AGrizzly_Bear_8_(8067483073).jpg, attribution: By Tony Hisgett from Birmingham, UK (Grizzly Bear 8 Uploaded by tm) [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons
• Isbjörn: https://commons.wikimedia.org/wiki/File%3APolar_Bear_-_Alaska_(cropped).jpg, attribution: By Alan Wilson (www.naturespicsonline.com: [1]) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons
• Grand Danois: https://commons.wikimedia.org/wiki/File%3ADuffy_the_brindle_Great_Dane.JPG, attribution: By Fainomenon (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons
• Mops: https://commons.wikimedia.org/wiki/File%3AMops-duke-mopszucht-vom-maegdebrunnen.jpg, attribution: By Xidrep (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons
• Liger: https://commons.wikimedia.org/wiki/File%3ALiger_couple.jpg, attribution: By Hkandy (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons
• Varg och prärievarg: https://commons.wikimedia.org/wiki/File%3AUSFWS_-_How_to_recognise_a_gray_wolf.png, attribution: By Washington Department of Fish and Wildlife [Public domain], via Wikimedia Commons
• Kanadaulv: https://commons.wikimedia.org/wiki/File%3ACaptivecoywolfhybrid.jpg, attribution: By L. David Mech mail, Bruce W. Christensen, Cheryl S. Asa, Margaret Callahan, Julie K. Young [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons
• Grusbräcka: https://commons.wikimedia.org/wiki/File%3ASaxifraga_tridactylites-01_(xndr).jpg, attribution: By No machine-readable author provided. Svdmolen assumed (based on copyright claims). [GFDL (http://www.gnu.org/copyleft/fdl.html), CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/) or CC BY 2.5 (http://creativecommons.org/licenses/by/2.5)], via Wikimedia Commons
• Klippbräcka: https://commons.wikimedia.org/wiki/File%3ASaxigraga_adscendens_T69.1.jpg, attribution: By Jerzy Opioła ({Own}) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC BY-SA 4.0-3.0-2.5-2.0-1.0 (http://creativecommons.org/licenses/by-sa/4.0-3.0-2.5-2.0-1.0)], via Wikimedia Commons
• Hällebräcka: https://commons.wikimedia.org/wiki/File%3ASaxifraga_osloensis.JPG, attribution: By Rolf Engstrand (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0) or GFDL (http://www.gnu.org/copyleft/fdl.html)], via Wikimedia Commons