"It's just not a nice thing to do," Mark Ross, a Portland Parks and Recreation spokesman, told The Oregonian. "It's not the end of the world. We'll all continue to enjoy the park and the whimsical nature of it, but when something like this happens it makes you think, 'Why would someone do that?'"
Parks bureau officials do not plan to file a police report, Ross told the newspaper.
The cost to replace the tree is estimated between $3 and $5, KOIN reported.