Photos: Migrating tundra swans pause for food, rest along Mississippi


Thousands of migrating tundra swans
1 Thousands of migrating tundra swans 
Tundra swans land in the Mississippi.
2 Tundra swans land in the Mississippi. 
Swans crowd a bay on the Mississippi.
3 Swans crowd a bay on the Mississippi. 
Three tundra swans fly above the Mississippi.
4 Three tundra swans fly above the Mississippi. 
A tundra swan stretches its wings.
5 A tundra swan stretches its wings. 
Two tundra swans glide over the bay.
6 Two tundra swans glide over the bay. 
Tundra swans fly at around 50 mph when migrating.
7 Tundra swans fly at around 50 mph when migrating. 
Swans rest and feed near Brownsville.
8 Swans rest and feed near Brownsville. 
Swans above the Mississippi.
9 Swans above the Mississippi. 
Flying east
10 Flying east 
Tundra swans feed on tubers from Arrowhead plants.
11 Tundra swans feed on tubers from Arrowhead plants. 
Swans eat roughly half their body weight per day.
12 Swans eat roughly half their body weight per day.