The packs home area is centered on Eureka, where there is a weather station. They feed primarily on musk-oxen, caribou, and arctic hares.
Here is the "Wolves of the High Arctic" blog
http://internationalwolfcenter.blogspot.com/
An article by Dave Mech on arctic wolves:
http://www.arctic.noaa.gov/essay_mech.html
Here's a photo taken of Brutus at the wolves den.
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This photo , and many others taken by the expedition can be found here.
http://www.flickr.com/photos/intlwolfcenter/
Brutus exhibits dominant behavior towards an offspring.
Summertime on Ellesmere Island.
I'm not sure if this is this is Brutus's pack.