1.   Because of their interdependency, pack members usually treat each other with respect.

2.   All pack members will regurgitate chewed meat to the pups whenever they give a begging whimper.

3.   Other pack members range far and wide on the hunt, bringing meat back to the den in their stomachs and regurgitating it for the mother and the pups.

4.   It was expected to be set free with its pack members later Friday.

5.   Likewise, domesticated wolves saw humans as pack members who brought food to their pups, he argued.