an ornithologist and University of Tulsa biologist. "They're considered a nuisance." Great blue herons and great egrets eat mostly fish, crayfish, amphibians and small reptiles, said Steve Sherrod ...

Next to the nests, like sentinels at the castle gate, stand great blue herons ... huge thing slide down that long slender neck." As Stiteler walked through the rookery, the herons were pretty ...

That's where more than 100 great blue herons had nested, establishing a rookery in the area's tall cottonwood trees. Many of those trees were blown down, killing some birds, but more importantly ...