Of course, herons were attracted to these fish filled pools. As we approached the river a small green heron perched and watched us suspiciously before flying into a nearby sycamore tree. Further downstream, a blue heron flew to the far bank and watched us from there. As I crept closer, the huge bird kept its eyes on my every move, but was reluctant to fly away from such a beautiful buffet of fish. After creeping very close, the heron opened its huge arching wings and lifted itself into the air. As it crested the trees it stopped flapping and began to soar.