Do not immediately drop to the ground and “play dead.” Bears can sense overacting.
Do not run, shout, or make sudden movements.
Do not run up and push the bear and do not push a slower friend down…even if you feel the friendship has run its course.
Running may trigger a chase response in the bear and you can’t outrun a bear off of your motorcycle. Bears in can chase down elk calves all the time. You do not want to look like a slow elk calf. (Apologies to the elk calf.)
Slowly putting distance between yourself and the bear may defuse the situation.
Draw your bear spray from the holster, remove the safety tab, and prepare to use it if the bear charges.
In most cases, climbing a tree is a poor decision. Bears can climb trees (especially if there is something up the tree that the bear wants). Also, when was the last time you climbed a tree?
Running to a tree or frantically climbing a tree may provoke a bear to chase you. If the friend you pushed down somehow made it up a tree and is now extending you a hand, there’s a good chance you’re not getting up that tree. Karma’s a bear.
Learn more bear safety tips at https://www.nps.gov/yell/learn/nature/bearreact.htm
Image: Close-up if Grizzly Bear near Swan Lake in Yellowstone National Park. NPS/Neal Herbert