Yellow-crowned Night Heron (Nyctanassa violacea), Sanibel Island, J.N. Ding Darling National Wildlife Refuge, Florida, USA

nyctanassa violacea foraging wildlife refuge florida shorebird nature birdwatching wetland coastal habitat fishing water ecological aquatic flora fauna migration shore plunge diving animal behavior avian landscape sanibel island wading bird conservation environment biodiversity natural reserve marshland outdoor ecosystem experience research ornithology vital endangered species nesting spring summer area identification