Eggs in a Caspian Tern nest on Gravel Island Refuge

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

Photo By/Credit

Sadie ODell/USFWS

Media Usage Rights/License

Public Domain

Banner Image

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

Facility

Gravel Island National Wildlife Refuge

Ecosystem

Coastal

Recreational Activity

Wildlife watching

Birding

Subject tags

Birds

Coasts

Islands

Wildlife refuges

Wildlife viewing

You are exiting the U.S. Fish and Wildlife Service website

You are being directed to

We do not guarantee that the websites we link to comply with Section 508 (Accessibility Requirements) of the Rehabilitation Act. Links also do not constitute endorsement, recommendation, or favoring by the U.S. Fish and Wildlife Service.

I Understand. Take me there.