@article{article, title = {{Segregation in the African wintering ranges of English and Swiss Swallow Hirundo rustica populations: a stable isotope study}}, url = {{}}, year = {{2003}}, month = {{11}}, author = {{Evans KL and Waldron S and Bradbury RB}}, volume = {{50}}, journal = {{BIRD STUDY}}, pages = {{294-299}}, note = {{Accessed on 2024/12/22}}}