Great Blue Herons are not an unusual sigth in Yellowstone, however this is the first one we've seen perched in a tree. It wasn't too inclined to leave its perch, it just sat there preening and ruffling its feathers, providing in nice scene for those watchings. Great Blue Heron facts: Their call is a harsh croak. The heron is most vocal during the breeding season, but will call occasionally at any time of the year in territorial disputes or if disturbed.

To see more of 'The Great Adventure 2009' images click HERE

To see more of our heron images click HERE