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What might live in this hole?

PostPosted: Thu Jul 22, 2010 4:56 pm
by Tom
The staff at the Zoo have noticed a hole in a tree developing. There are obvious signs of excavation and apparently the hole has got bigger over recent weeks. When the hole was described to me, I wondered about some kind of Hymenoptera hive, but when I arrived there was no sign of insects entering or leaving.

The hole is about 2feet above the ground and about four inches across. If it is a rat or other mammal that's caused it, it must have climbed up the tree first. The tree is still alive.

Any suggestions will be gratefully received.


Re: What might live in this hole?

PostPosted: Fri Jul 30, 2010 2:16 pm
by hannah
After stilll no idea what was living in this tree, Tom suggested that the zoo staff put down a tray full of sand, and hopefully something would leave their tracks in it.

Luckily, they did! Please see attached photos!