Yes VERY,VERY carefully.
It's a trick I learned many years ago reading Heinlein's Tunnel in the Sky.
It can be done. In a single large tree or a couple of trees. It is easier if you have a third branch or tree as a standing platform.
I tried it out a couple of time in my young and foolish days. You know that age where you can't die or get hurt stage.
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When in danger or in doubt
run in circles scream and shout
RAH
And always remember TANSTAAFL