For example, lead in river otters and spotted sandpiper affect their reproduction. Shore birds include&colon; avocet, piping plover, spotted sandpiper, willet, common snipe and killdeer. The spotted sandpiper ("Actitis macularius") is a small shorebird, long. Residential birds include osprey, great blue heron, spotted sandpiper or bald eagles. Water birds include the loon, great blue heron, common merganser, spotted sandpiper, and herring gull.