Al Hartmann | Tribune file photo
Tundra swans stretch in a line for several miles at the Bear River Migratory Bird Refuge west o
Al Hartmann | Tribune file photo
Juvenile tundra swans with their first-year plumage swim in between adults at the Bear River Mi
Al Hartmann | Tribune file photo
Tundra swans gather at the Bear River Migratory Bird Refuge west of Brigham City. Tundra Swan D
Al Hartmann | Tribune file photo
Tundra swans gather at the Bear River Migratory Bird Refuge west of Brigham City. Tundra Swan D
Al Hartmann | Tribune file photo
A flock of tundra swans flies over Salt Creek Waterfowl Managment Area south of Tremonton. Tund
Al Hartmann | Tribune file photo
A flock of tundra swans takes off from Salt Creek Waterfowl Managment Area south of Tremonton.
Al Hartmann | Tribune file photo
Tundra swans gather at Salt Creek Waterfowl Managment Area south of Tremonton. Tundra Swan Day
Al Hartmann | Tribune file photo
A flock of tundra swans flies over Salt Creek Waterfowl Managment Area south of Tremonton. Tund
Al Hartmann | Tribune file photo
Juvenile tundra swans with their first year plumage swim in between adults at the Bear River Migr
Al Hartmann | Tribune file photo
Flock of tundra swans fly over Salt Creek Waterfowl Managment Area south of Tremonton. Tundra S
Al Hartmann | Tribune file photo
Tundra swans stretch in a line for several miles at the Bear River Migratory Bird Refuge west of Brigham City. Tundra Swan Day this year is March 9 at the refuge.
Al Hartmann | Tribune file photo
Juvenile tundra swans with their first-year plumage swim in between adults at the Bear River Migratory Bird Refuge west of Brigham City. Tundra Swan Day this year is March 9 at the refuge.
Al Hartmann | Tribune file photo
Tundra swans gather at the Bear River Migratory Bird Refuge west of Brigham City. Tundra Swan Day this year is March 9 at the refuge.
Al Hartmann | Tribune file photo
Tundra swans gather at the Bear River Migratory Bird Refuge west of Brigham City. Tundra Swan Day this year is March 9 at the Bear River Migratory Bird Refuge.
Al Hartmann | Tribune file photo
A flock of tundra swans flies over Salt Creek Waterfowl Managment Area south of Tremonton. Tundra Swan Day this year is March 9 at the Bear River Migratory Bird Refuge.
Al Hartmann | Tribune file photo
A flock of tundra swans takes off from Salt Creek Waterfowl Managment Area south of Tremonton. Tundra Swan Day this year is March 9 at the Bear River Migratory Bird Refuge.
Al Hartmann | Tribune file photo
Tundra swans gather at Salt Creek Waterfowl Managment Area south of Tremonton. Tundra Swan Day this year is March 9 at the Bear River Migratory Bird Refuge.
Al Hartmann | Tribune file photo
A flock of tundra swans flies over Salt Creek Waterfowl Managment Area south of Tremonton. Tundra Swan Day this year is March 9 at the Bear River Migratory Bird Refuge.
Al Hartmann | Tribune file photo
Juvenile tundra swans with their first year plumage swim in between adults at the Bear River Migratory Bird Refuge west of Brigham City. Tundra Swan Day this year is March 9 at the refuge.
Al Hartmann | Tribune file photo
Flock of tundra swans fly over Salt Creek Waterfowl Managment Area south of Tremonton. Tundra Swan Day is March 9 at the Bear River Migratory Bird Refuge.