http://mentalfloss.com/article/64744/10-animal-attack-movies-are-actually-scary
http://www.ranker.com/list/scariest-animal-movies-ever-made/ranker-horror
http://bloody-disgusting.com/editorials/3372350/scariest-horror-movie-animals/10/
https://en.wikipedia.org/wiki/King_Kong
https://en.wikipedia.org/wiki/Piranha_(1978_film)
https://en.wikipedia.org/wiki/Jaws_(film)
http://www.afi.com/members/catalog/DetailView.aspx?s=&Movie=22975
http://jurassicpark.wikia.com/wiki/Velociraptor
https://en.wikipedia.org/wiki/Lake_Placid_(film)
http://www.gallup.com/poll/1891/snakes-top-list-americans-fears.aspx
https://en.wikipedia.org/wiki/Anaconda_(film)
https://en.wikipedia.org/wiki/Arachnophobia_(film)