Have you heard of crown shyness? Next time you are in the forest – a tall forest – look up. The trees canopies avoid each other for some species. I’m trying to remember if all the crowns I’ve seen are like that. When I was younger, I worked for the U.S. Forest Service on a fire crew on McKenzie Bridge in Oregon.
The reasons for crown shyness are hypothesized to be light, insects, and of course, fire. The space between the trees lets more light in the the forest and the lower part of the tree. Insects, except the ones that fly, cannot cross between trees. Fire seems to flow pretty quickly between crowns, so I think that reason is a little weak.
I’ve browsed Wikimedia Commons for crown shyness, yes its a category. Here are some remarkable pictures from around the world.
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