World of Warcraft Quests involving Young Forest Bear:
Priest Alliance Quest
Garments of the Light (Human Priest) Find Guard Roberts and heal his wounds using Lesser Heal (Rank 2). Afterwards, grant him Power Word: Fortitude and then return to Priestess Josetta in Goldshire.
Elwynn Forest Alliance Quest
Protect the Frontier Kill 8 Prowlers and 5 Young Forest Bears, and then return to Guard Thomas at the east Elwynn bridge.
Deeprun Tram Alliance Quest
Deeprun Rat Roundup - (Step 1) Capture 5 Deeprun Rats by using the Rat Catcher's Flute. Lead the rats back to Monty. Don't forget to turn in the flute when you're finished.
Curing the Sick - Part 2? Use the Curative Animal Salve on 10 Sickly Deer that are located throughout Darkshore; doing so should cure them. Sickly Deer have been reported starting south of the Cliffspring River to the north of Auberdine and extending all the way into southern Darkshore where the edge of Ashenvale begins.
Darkshore Alliance Quest
Plagued Lands Capture a living Rabid Thistle Bear and bring it back to Tharnariun.
Should you fail to capture a Rabid Thistle Bear and lose your trap, return to Tharnariun Treetender and request another trap.
When Smokey Sings, I Get Violent Travel to Plaguewood, northwest of Light's Hope. Destroy 8 Scourge Structures by using Smokey's Special Compound at the Mark of Detonation planted inside each building. Smokey has had the Ziggurats and Slaughterhouses marked.
Once you plant the bomb, leave the building and marvel at your handiwork.
By the way, Smokey's Special Compound is rather... unstable.