Porcupines keep chewing any new growth on this tree killing the branches, but not the whole tree. There were many examples of this in the Gananoque Provincial Wildlife Preserve. It is their home turf, so accept it. Viewed in early April. - Gananoque Seaplane Base photo gallery at Panoramio

View single page Photo gallery Gananoque Seaplane Base
View original picture (new window)
Steve Manders, 13 April 2013