USFWS National Digital Library

- Researchers view Whooping cranes from blind.
- Birds; Birdwatching; Buildings, facilities and structures; Endangered species; Environments (Natural); Migratory birds; Resource management; Sanctuaries; Wildlife refuges; Wildlife restoration; Work of the Service;
- Using a spotting scope, researchers stufy the behavior of Whooping Cranes in Florida's St. Marks National Wildlife Refuge.
- Images
- View of Whooping Crane holding pen from inside the blind.
- Birds; Birdwatching; Buildings, facilities and structures; Endangered species; Environments (Natural); Migratory birds; Resource management; Sanctuaries; Wildlife refuges; Wildlife restoration; Work of the Service;
- This is a wide angle view of what researchers see from inside the blind, while studying Whooping Crane behavior.
- Images
- Five Whooping Cranes in pen at St. Marks National Wildlife Refuge.
- Birds; Birdwatching; Buildings, facilities and structures; Endangered species; Environments (Natural); Migratory birds; Resource management; Sanctuaries; Wildlife refuges; Wildlife restoration; Work of the Service;
- Frolicking Whooping Cranes inside protected pen at St. Marks National Wildlife Refuge.
- Images
- Two Whooping cranes play in pen.
- Birds; Birdwatching; Buildings, facilities and structures; Endangered species; Environments (Natural); Migratory birds; Resource management; Sanctuaries; Wildlife refuges; Wildlife restoration; Work of the Service;
- A pair of playful Whooping cranes having fun on a sunny afternoon.
- Images
- Three Cranes dancing.
- Birds; Birdwatching; Buildings, facilities and structures; Endangered species; Environments (Natural); Migratory birds; Resource management; Sanctuaries; Wildlife refuges; Wildlife restoration; Work of the Service;
- Whooping Cranes perform a bird ballet for researchers.
- Images
- Caspian Terns
- Birds; Wildlife refuges;
- A group of Caspian Terns by the waterside in Bear River Migratory Bird Refuge located in Utah.
- Images