Classifying Animals:
http://www.cap.nsw.edu.au/bb_site_intro/stage1_Modules/whats_alive/whats_alive.html
http://www.birminghamzoo.com/

http://www.nature.ca/notebooks/english/mon2.htm

Butterflies:
http://www.dcboces.org/sufsd/nassau/vitek/butterfly/

Yellowstone Animal Alphabet:
http://www.nps.gov/yell/kidstuff/Alphabet/index.htm

Birds:
http://www.bigchalk.com/go/0403CAL

Frogs:
http://www.milton.k12.vt.us/WebQuests/MAranjo/Frogs.htm

Animal Life Spans:
http://www.wonderquest.com/LifeSpan-MaxMin.htm

America's Wildlife Resource:
http://www.eNature.com