Eggs in a Caspian Tern nest on Gravel Island Refuge

Three dark gray, spotted bird eggs lie on a bed of broken mussel shells

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Eggs in a Caspian Tern nest on Gravel Island Refuge

Eggs in a Caspian Tern nest on zebra mussel shells at Gravel Island National Wildlife Refuge in Wisconsin.

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Photo By/Credit

Sadie ODell/USFWS

Facility

Gravel Island National Wildlife Refuge

Ecosystem

Coastal

Recreational Activity

Wildlife watching

Birding

Media Usage Rights/License

Public Domain

Subject tags

Birds

Coasts

Islands

Wildlife refuges

Wildlife viewing

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