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
Storrs L. Olson world's foremost paleornithologists. He was also the 1994 recipient of the Loye and Alden Miller Research Award. He was formerly curator of birds at the United States National Museum of Natural History; , he holds an emeritus position in the institution. Several prehistoric bird species have been named after Olson, including "Nycticorax olsoni", "Himantopus olsoni", "Puffinus olsoni", "Primobucco olsoni", "Gallirallus storrsolsoni", and "Quercypodargus olsoni". Storrs L. Olson Storrs Lovejoy Olson (born April 3, 1944) is an American biologist and ornithologist who spent his career the Smithsonian Institution, retiring in 2008. One of the world's foremost avian paleontologists, he is best