An Urban Colony of Common Terns in Leith Docks

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Overview •Firth of Forth population •Imperial Dock Lock Special Protection Area (SPA) •Foraging ecology •Predation •Summary
Common terns in the Firth of Forth • Formerly found on natural islands: e.g. Fidra, Inchmickery • Leith colony grew from 50 pairs in 1971 to 732 pairs in 2009 • Analysis of long term data suggests colonisation occurred as a result of relocation from natural islands • Decline of tern colonies on natural islands largely due to increasing gull numbers
Page 1: Urban tern ecology: common terns in
Page 5 and 6: Imperial Dock Lock SPA • Special
Page 8 and 9: •Fieldwork May‐August •732 br
Page 11 and 12: Foraging Routes
Page 14 and 15: Height of flight paths in the docks
Page 16 and 17: JNCC Marine SPA Work •Existing SP
Page 18 and 19: Foraging Ecology What
Page 21 and 22: Courtship feeding Clupeids/gadids =
Page 23 and 24: Predation Crows Herring gull Lesser
Page 25 and 26: Summary • Recent colonisation fro

An Urban Colony of Common Terns in Leith Docks

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