The common sandpiper (Actitis hypoleucos ) is a small Palearctic wader. This bird and its American sister species, the spotted sandpiper (A. macularia ), make up the genus Actitis. They are parapatric and replace each other geographically; stray...
The spotted sandpiper (Actitis macularius ) is a small shorebird. Together with its sister species the common sandpiper (A. hypoleucos ), it makes up the genus Actitis. They replace each other geographically; stray birds may settle down with...