Birds of North America
Puzzle 59 · Along Beaches and Mudflats · Page 85 in print
Sanderling
When a falcon approaches, Sanderlings may gather into a tight ball of birds and fly erratically over the ocean to evade it.
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Amphipods
Small crustaceans eaten along the shore.
Arctic Foxes
Predators of birds or their nests.
Arctic Willow
A low plant in the breeding habitat.
Dunlins
Shorebirds that can join Sanderling flocks during migration and winter.
Heathers
Low vegetation in nesting habitat.
Midges
Small flies eaten on the breeding grounds.
Mosquitoes
Insect prey in northern breeding areas.
Mountain Avens
A flowering plant in the tundra breeding landscape.
Polychaetes
Marine worms eaten on beaches.
Receding Wave
The retreat of a wave exposes feeding ground.
Snowy Owls
A named predator of Sanderling nests.
Tight Flock
A dense group formed when a falcon threatens.
Wet Sand
The shore surface searched for prey.
Willow Leaves
Leaves used to line nest scrapes.
Wolves
Predators listed in the species account.
Sources
- Sanderling: Life HistoryCornell Lab of Ornithology