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Boyle, W. A. (2010-02-01). "Does food abundance explain altitudinal migration in a tropical frugivorous bird?". Canadian Journal of Zoology. 88 (2): 204–213. doi:10.1139/Z09-133. ISSN0008-4301.
Boyle, W. Alice; Conway, Courtney J.; Bronstein, Judith L. (2011). "Why do some, but not all, tropical birds migrate? A comparative study of diet breadth and fruit preference". Evolutionary Ecology. 25 (1): 219–236. doi:10.1007/s10682-010-9403-4. ISSN1573-8477. S2CID7516649.
Boyle, W. Alice; Conway, Courtney J.; Bronstein, Judith L. (2011). "Why do some, but not all, tropical birds migrate? A comparative study of diet breadth and fruit preference". Evolutionary Ecology. 25 (1): 219–236. doi:10.1007/s10682-010-9403-4. ISSN1573-8477. S2CID7516649.
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Boyle, W. Alice (2011). "Short-distance partial migration of Neotropical birds: a community-level test of the foraging limitation hypothesis". Oikos. 120 (12): 1803–1816. doi:10.1111/j.1600-0706.2011.19432.x. ISSN1600-0706.
Boyle, W. A. (2010-02-01). "Does food abundance explain altitudinal migration in a tropical frugivorous bird?". Canadian Journal of Zoology. 88 (2): 204–213. doi:10.1139/Z09-133. ISSN0008-4301.
Boyle, W. Alice; Conway, Courtney J.; Bronstein, Judith L. (2011). "Why do some, but not all, tropical birds migrate? A comparative study of diet breadth and fruit preference". Evolutionary Ecology. 25 (1): 219–236. doi:10.1007/s10682-010-9403-4. ISSN1573-8477. S2CID7516649.