CHARACTERISTICS OF THE ANIMALS
http://www.sheppardsoftware.com/content/animals/kidscorner/games/animalclassgame.htm
http://www.sheppardsoftware.com/content/animals/kidscorner/classification/kc_class_again.htm
http://www.bbc.co.uk/bitesize/ks1/science/variation/play/popup.shtml
http://interactivesites.weebly.com/animal-classification.html
http://www.softschools.com/science/living_things/animals/animals.jsp