Hi Henry,
This great blue heron rookery is located on the south side of the South Hero causeway. There are probably 40 to 50 nests in the trees. I never noticed them when the leaves were still on the trees.
Hard to imagine these large birds incubating their young in the tops of the trees.
JoAnne
(http://www.vtgrandpa.com/photos/albums/icestorm_080309/0015_G_001.sized.jpg)
(http://www.vtgrandpa.com/photos/albums/icestorm_080309/0046_G_001.sized.jpg)