http://animals.nationalgeographic.com/animals/invertebrates/giant-squid/
http://www.guinnessworldrecords.com/world-records/70397-largest-snail
https://en.wikipedia.org/wiki/Flemish_Giant_rabbit
https://en.wikipedia.org/wiki/Goliath_birdeater
https://en.wikipedia.org/wiki/Giant_golden-crowned_flying_fox
http://environment.nationalgeographic.com/environment/freshwater/giant-freshwater-stingray/
http://www.viralnova.com/nightmare-giant-spider-crab/
http://environment.nationalgeographic.com/environment/freshwater/mekong-giant-catfish/
http://www.huffingtonpost.com/2013/09/13/hercules-liger-worlds-largest-cat-photos_n_3920158.html
http://www.liger-hercules.com/
http://www.nationalgeographic.com/animals/reptiles/s/saltwater-crocodile/
https://en.wikipedia.org/wiki/Saltwater_crocodile
https://www.sciencedaily.com/releases/2011/08/110823180459.htm