Great blue heron (Ardea herodias) looking for food, Sanibel Island, J.N. Ding Darling National Wildlife Refuge, Florida, USA

ardea herodias wildlife diving hunting foraging sanibel island nature water refuge florida birdwatching wetlands serene natural habitat blue skies tranquility environment shore fishing aquatic life bird behavior outdoor activity migration shorebird long legs elegant coastal local fauna colors ecology conservation avian species preservation watching landscape birds observation marshlands ecosystem