Boyle, W. Alice; Conway, Courtney J.; Bronstein, Judith L. (13 de julio de 2013). «Why do some, but not all, tropical birds migrate? A comparative study of diet breadth and fruit preference». Evolutionary Ecology25: 219-236. doi:10.1007/s10682-010-9403-4.
Hobson, Keith A.; Wassenaar, Len I.; Milá, Borja; Lovette, Irby; Dingle, Caroline; Smith, Thomas B. (20 de mayo de 2003). «Stable isotopes as indicators of altitudinal distributions and movements in an Ecuadorean hummingbird community». Community Ecology136 (2): 302-308. Bibcode:2003Oecol.136..302H. PMID12756525. doi:10.1007/s00442-003-1271-y.
McGuire, Liam P.; Boyle, W. Alice (11 de marzo de 2013). «Altitudinal migration in bats: evidence, patterns, and drivers». Biological Reviews88 (4): 767-786. PMID23480862. doi:10.1111/brv.12024.
Boyle, W. Alice (24 de julio de 2008). «Partial migration in birds: tests of three hypotheses in a tropical lekking frugivore». Journal of Animal Ecology77 (6): 1122-1128. PMID18657208. doi:10.1111/j.1365-2656.2008.01451.x.
Thiollay, Jean-Marc (July 1996). «Distributional patterns of raptors along altitudinal gradients in the northern Andes and effects of forest fragmentation». Journal of Tropical Ecology12 (4): 535-560. doi:10.1017/s0266467400009767.
Fraser, Kevin C.; Kyser, T. Kurt; Ratcliffe, Laurene M. (May 2008). «Detecting Altitudinal Migration Events in Neotropical Birds using Stable Isotopes». Biotropica40 (3): 269-272. doi:10.1111/j.1744-7429.2008.00408.x.
Butler, Christopher J. (4 de julio de 2003). «The disproportionate effect of global warming on the arrival dates of short-distance migratory birds in North America». Ibis145 (3): 484-495. doi:10.1046/j.1474-919x.2003.00193.x.
Hobson, Keith A.; Wassenaar, Len I.; Milá, Borja; Lovette, Irby; Dingle, Caroline; Smith, Thomas B. (20 de mayo de 2003). «Stable isotopes as indicators of altitudinal distributions and movements in an Ecuadorean hummingbird community». Community Ecology136 (2): 302-308. Bibcode:2003Oecol.136..302H. PMID12756525. doi:10.1007/s00442-003-1271-y.
Hobson, Keith A.; Wassenaar, Len I.; Milá, Borja; Lovette, Irby; Dingle, Caroline; Smith, Thomas B. (20 de mayo de 2003). «Stable isotopes as indicators of altitudinal distributions and movements in an Ecuadorean hummingbird community». Community Ecology136 (2): 302-308. Bibcode:2003Oecol.136..302H. PMID12756525. doi:10.1007/s00442-003-1271-y.
McGuire, Liam P.; Boyle, W. Alice (11 de marzo de 2013). «Altitudinal migration in bats: evidence, patterns, and drivers». Biological Reviews88 (4): 767-786. PMID23480862. doi:10.1111/brv.12024.
Boyle, W. Alice (24 de julio de 2008). «Partial migration in birds: tests of three hypotheses in a tropical lekking frugivore». Journal of Animal Ecology77 (6): 1122-1128. PMID18657208. doi:10.1111/j.1365-2656.2008.01451.x.