He's already started moving cautiously towards the tree, propelled by a instinctive mixture of curiosity and protectiveness. When she speaks again, the scales tip towards curiosity because a) that sounds like she is what he saw flying and b) she doesn't sound like she's threatening anyone else.

"Not used to having so many people around on the island?" he asks easily, assuming she must be a native of Norrhamn since he didn't notice any winged people on the boat, and he feels he probably would have done. Shapeshifter hasn't quite crossed his mind yet.