Browsing M.Sc. Biological Sciences by Subject "Sea birds--Ontario--Gull Island."
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(Brock University, 1978-07-09)The reproductive biology of the Ring-billed Gull (Larus delawarensis) was studied on Gull Island, Presqu'ile Provincial Park, Ontario, in 1976 and 1977. Early started clutches (comprising the majority of clutches on Gull ...