St Helen's, Isles of Scilly of kittiwake ("Rissa tridactyla") on the eastern cliffs, while Parslow (2007) records a large colony of lesser black-backed gull ("Larus fuscus") and a small colony of puffin ("Fratercula arctica"). The Seabird 2000 breeding seabird survey recorded five occupied nests of Manx shearwater ("Puffinus puffinus"). Foreman's Island () is a low-lying island on the south side of St Helen's Pool between Teän and Tresco. It is one of a group of rocks and islets of importance for breeding seabirds. The common froghopper ("Philaenus spumarius") has been recorded on Foreman's. Men-a-vaur () is to the north-west of St Helen's and consists of
Christmas shearwater Christmas shearwater The Christmas shearwater ("Puffinus nativitatis") is a medium-sized shearwater of the tropical Central Pacific. It is a poorly known species due to its remote nesting habits, and it has not been extensively studied at sea either. It is one member of a very ancient lineage of the small "Puffinus" species. Its only close living relative is the Galápagos shearwater ("P. subalaris"). The species was described and given its current binomial name by the American naturalist Thomas Hale Streets in 1877. A genetic analysis using mitochondrial DNA has shown that the closest living relative is the Galápagos shearwater ("Puffinus