There are several terns of a similar size and general appearance to the common tern. Many migratory birds spend summer months nesting among the archipelago, notably the Arctic tern. Other notable visitors include spoonbill, Sandwich tern and Eurasian whimbrel. Birds breeding on Pitcairn include the fairy tern, common noddy and red-tailed tropicbird. Sea birds include the black noddy and the white tern. Anglesey is home to several species of tern, including the roseate tern. Kuwaiti islands are important breeding areas for four species of tern and the socotra cormorant. Crested tern and gannet populations also suffered following these events. The northernmost and southernmost breeders are the Arctic tern and Antarctic tern respectively. Scientists have experimented with bamboo canes erected around tern nests. The spit was an important habitat for the Caspian tern. The common tern preferentially hunts fish long. It often forms mixed flocks with the common tern. Long-range travellers include the Arctic tern, which migrates from Antarctica every spring. It feeds further out to sea than the common tern.