Two images of Immature Black-Crowned Night Herons from 2 different National Wildlife Refuges. The Featured Image is from a trip to the Edwin B. Forsythe National Wildlife Refuge, Brigantine Division in Oceanville, NJ. That image was taken with a Sigma 300-800mm zoom lens @ 800mm. The image below was taken along the Wildlife Drive at the J.N. Ding Darling NWR in Florida with a Canon 400mm DO lens with a 1.4x Teleconverter.