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Food sources of Sand Martins Riparia riparia during their breeding season: insights from stable-isotope analysis: Capsule Stable-isotope analysis indicated that terrestrial dipteran insects were the main food at a site in northern Japan.
Nakano, Daisuke, Akasaka, Takumi, Kohzu, Ayato, Nakamura, FutoshiVolume:
54
Language:
english
Journal:
Bird Study
DOI:
10.1080/00063650709461468
Date:
March, 2007
File:
PDF, 89 KB
english, 2007