Joel Sartore / Photo Ark / Black-footed cat (Felis nigripes) portrait, Omaha's Henry Doorly Zoo and Aquarium. Captive. Federally endangered.

Terry Whittaker / 2020VISION / Heavy earth excavator removes clay for future replacement with topsoil. Wetland habitat ecosytem creation for the RSPB by Breheny Civil Engineers at Bowers Marsh RSPB Reserve, Thames Estuary, Essex, U...