http://en.wikipedia.org/wiki/Lemming

http://en.wikipedia.org/wiki/Arctic_fox

Harvard University Life Sciences - HHMI Outreach Summer 2010 Workshop for

Biology Teachers

http://en.wikipedia.org/wiki/Ptarmigan

http://en.wikipedia.org/wiki/Caribou

Harvard University Life Sciences - HHMI Outreach Summer 2010 Workshop for

Biology Teachers

http://en.wikipedia.org/wiki/Snowy_owl

http://en.wikipedia.org/wiki/Inupiat

Harvard University Life Sciences - HHMI Outreach Summer 2010 Workshop for

Biology Teachers

http://en.wikipedia.org/wiki/Arctic_willow

http://en.wikipedia.org/wiki/Cladonia_rangiferina

http://en.wikipedia.org/wiki/Lichen

Harvard University Life Sciences - HHMI Outreach Summer 2010 Workshop for

Biology Teachers

http://en.wikipedia.org/wiki/Saxifraga_oppositifolia

http://en.wikipedia.org/wiki/Oxyria_digyna

Harvard University Life Sciences - HHMI Outreach Summer 2010 Workshop for Biology Teachers

http://en.wikipedia.org/wiki/Cassiope_tetragona

http://en.wikipedia.org/wiki/Silene_acaulis

Harvard University Life Sciences - HHMI Outreach Summer 2010 Workshop for

Biology Teachers

http://en.wikipedia.org/wiki/Arctic_Hare

http://en.wikipedia.org/wiki/Snow_goose

Harvard University Life Sciences - HHMI Outreach Summer 2010 Workshop for

Biology Teachers

http://en.wikipedia.org/wiki/Musk_oxen

Harvard University Life Sciences - HHMI Outreach Summer 2010 Workshop for

Biology Teachers