RMRKN2H5–Whooping crane (Grus americana) in winter range, Aransas NWR, Texas, USA. RM2C3K48N–Whooping crane (Grus americana) in winter range, Aransas National Wildlife Refuge, Texas, USA RM2HF9FW7–Whooping crane (Grus americana), an endangered species and the tallest of North American birds, at Jacksonville Zoo in Jacksonville, Florida. (USA) RFF8A8TM–whooping crane or grus americana bird wading with one leg raised in marsh RMR91PHD–An adult Whooping Crane (Grus americana) foraging in its winter habitat. Aransas National Wildlife Refuge, Texas, USA. RFHXY9FK–Whooping Crane (Grus americana) wading in coastal waters. Seadrift, San Antonio Bay, Gulf Intracoastal Waterway, Coastal Bend, Texas Coast, USA. RM2JFRJ1F–An adult and an immature Whooping Crane, Grus americana, in the Aransas National Wildlife Refuge in Texas. RF2H3KYBN–Whooping crane ( Grus Americana) RMM3NCDW–Whooping crane (Grus americana) wading along shoreline in the Canadian Wilds exhibit at the Calgary zoo RF2D9C9B4–Closeup of squawking whooping crane RMM9NM5C–Whooping Crane standing on one leg in a creek RMCEB2KD–Whooping Cranes, Grus americana, in flight at Aransas National Wildlife Refuge, Gulf Coast, Texas.