- http://animals.nationalgeographic.com/animals/mammals/narwhal/
- http://www.climate.gov/news-features/features/narwhals-tale-surviving-sea-ice-change
- http://www.defenders.org/narwhal/basic-facts
- http://www.iucnredlist.org/details/13704/0
- http://oceansnorth.org/baffin-bay-davis-strait
- http://palaeo.gly.bris.ac.uk/Palaeofiles/whales/archaeoceti.htm
- http://wwf.panda.org/what_we_do/where_we_work/arctic/wildlife/whales/narwhal/tracker/
- http://staff.washington.edu/klaidre/narwhalfaq.html
- http://www.wwf.ca/conservation/arctic/wildlife/narwhal/
Narwhals: Endangered Species 
Links all seem to work properly, and links open on new pages as required.
25/25 pts on Checkpoint #4
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Really good website! You might think about putting your links in mla format!
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