Young otter behaving badly?
A young otter who stunned visitors by climbing a tree may have been carrying out an act of "teenage rebellion", according to experts.
Staff at the Slimbridge Wetland Centre in Gloucestershire said it is "very unusual" to see the creatures scrambling up branches.
But one theory is that Gloucestershire Mo may have been "flexing her teenage muscles" and trying to prove herself.
Slimbridge spokeswoman Sally Munro said: "It's the otter equivalent of stomping upstairs to your room and slamming the door."
The centre's mammal manager, John Crooks, said: "This is certainly very unusual behaviour for an otter, but I think maybe she is going through some kind of teenage rebellion.
"Otters are strong mammals and she is climbing progressively higher each time so she seems to be very determined and headstrong.
"Perhaps she just wants to be left alone or to have a bit of space from her younger sisters and up a tree is the best place for her to do it.
"She is certainly getting a bit of a following now that word has got around with visitors."