Lion:
http://www.sandiegozoo.org/animalbytes/t-lion.html
Dolphins:
http://www.sandiegozoo.org/animalbytes/t-dolphin.html
http://www.dolphinkind.com/dolphin_facts.html
Bears:
http://www.sandiegozoo.org/animalbytes/t-brown_bear.html
http://www.bearlife.org/brown-bear.html
Walrus:
http://www.seaworld.org/animal-info/info-books/walrus/diet.htm
http://www.defenders.org/walrus/basic-facts
Bats:
http://www.sandiegozoo.org/animalbytes/t-bat.html
Horse:
http://www.sandiegozoo.org/animalbytes/t-przewalski_horse.html
Penguins:
http://kidzone.ws/animals/penguins/facts.htm
Sharks:
http://www.kidzone.ws/sharks/facts.htm
Cows:
http://lifestyle.iloveindia.com/lounge/facts-about-cow-1564.html
http://www.umpquadairy.com/page/cool-cow-facts
http://animal.discovery.com/petsource/
http://www.nisk.k12.ny.us/birchwood/links/grade1links/animalresearch.html
http://www.sandiegozoo.org/animalbytes/index.html
http://kids.nationalgeographic.com/portal/site/Kids/menuitem.bb5487fe17168d81b92c3010ca248a0c/?vgnextoid=ee38edfab621d010VgnVCM1000006640a8c0RCRD
http://www.columbuszoo.org/error.aspx?error=404