Ipswich Isotopes Study

A study using stable isotope analysis to determine the wintering locations and diets of individual Ipswich sparrows, and to relate those data to breeding success,

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2006 Census of Ipswich Sparrows

The breeding population of the Ipswich sparrow (Passerculus sandwichensis princeps), Sable Island’s endemic passerine, was censussed in spring 2006 using two methods: one used from

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