Determining the sources of calcium for migratory songbirds using stable strontium isotopes
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DOI: 10.1007/s004420000550
Abstract: We investigated natural variations in the stable isotopic composition of strontium (a surrogate for calcium) in the bones of a single species of breeding migratory songbird, as well as in their eggshells, egg contents, and… read more here.
Keywords: 86sr ratios; sources calcium; calcium migratory; 87sr 86sr ... See more keywords