Online Animal Kingdom

- https://www.flickr.com/photos/austinsong/3694159552 Azure Vase Sponge (Porifera)

- https://www.flickr.com/photos/jimg944/3539484130 Black Sea Nettle (Cnidaria)

- http://robertrath.com/serendipity/archives/41-Photo-of-The-Week-Polyclad-Flatworm,-Milne-Bay.html Polyclad Flatworm (Platyhelminthies)

- http://redcherryshrimp.net/freshwater/blue-tiger-shrimp-information/ Blue Tiger Shrimp (Arthopod)

- http://www.flickriver.com/photos/87895263@N06/8599051974/ Blue Dragon  (Mollusk)

- http://waups.jalbum.net/Foto%20Freo%202008/Echinoderms/slides/Tam%20O%E2%80%99Shanter%20urchin,%20Asthenosoma%20ijimai.html Tam O'  Shanter Urchin (Echindodermata)

- http://www.ryanphotographic.com/annelida.htm Blue Christmas Tree Worm (Annelid)

- http://www.upf.edu/cexs/news/sydney_brenner.html#.VsIutdDdk8J C. Elegans (Nematoda)

- http://www.blueridgekoi.com/the-butterfly-koi-story/ White and Black Butterfly Koi Fish (Fish)

- https://www.haikudeck.com/poison-dart-frog-education-presentation-VCJBtqWHI0 Poision Dart Frog (Amphibian)

- https://accordingtomuema.wordpress.com/2015/08/09/atheris-hispida/ Atheris Hispida (Reptile)

- https://featuredcreature.com/breathtaking-bird-lilac-breasted-roller/ Lilac-Breasted Roller (Bird)

- http://www.mnn.com/earth-matters/animals/stories/wildlife-in-suburbia-photographer-watches-fox-kits-grow-up Red Fox (Mammal)

- http://kids.sandiegozoo.org/

- http://eol.org/

- http://species-identification.org/

- http://www.animalsworlds.com/

- http://www.nationalgeographic.com/

- http://www.differencebetween.com/difference-between-vertebrates-and-vs-chordates/

- http://www.britannica.com/