I chose the following because they included highly regarded authorities on wolves, provided visual descriptions of behavior, and presented information in succinct and interesting text.

WOLF SITE URLS
David Mech is among the top authorities on wolves: L. David Mech “Dave”
Running With The Wolves
Alpha Wolf Behavior images
WolfCountry.net
Wolf Web
Wolf Behavior 101
Alpha Status, Dominance, and Division of Labor in Wolf Packs