An isotope (δ34S) filter and geolocator results constrain a dual feather isoscape (δ2H, δ13C) to identify the wintering grounds of North American Barn Swallows

Hobson, Keith A ; Kardynal, Kevin J

The Auk, 2016-01, Vol.133 (1), p.86-98 [Periódico revisado por pares]

Waco: The American Ornithologists' Union

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