PEER REVIEWED PUBLICATIONS
31: Hague, E.L., McCaffrey, N., Stockin, K.A., Orbach, D.N. 2022. Previously undocumented long-finned pilot whale (Globicephala melas) placental expulsion in coastal waters of Shetland, United Kingdom. Aquatic Mammals 48(6):610-616. doi: 10.1578/AM.48.6.2022.610
30: Hurst, B., and Orbach, D.N.O. 2022. Salinity affects wound healing in wild common bottlenose
dolphins (Tursiops truncatus). American Journal of Undergraduate Research. 19(1):23-30. doi: 10.33697/ajur.2022.056
29: Orbach, D.N. 2022. Gender bias in the study of genital evolution: Females continue to receive less attention than males. Integrative and Comparative Biology icac012. doi: 10.1093/icb/icac012
28: Brennan, P.L.R., Cowart, J., and Orbach, D.N. 2022. Evidence of a functional clitoris in dolphins.
Current Biology 32(1): R24-R26. doi: 10.1016/j.cub.2021.11.020
27: Orbach, D.N., Brassey, C.B., Gardiner, J.D., Brennan, P.L.R. 2021. 3D genital shape complexity in female marine mammals. Ecology and Evolution 11(7):3210-3218. doi: 10.1002/ece3.7269
26: Brennan, P.L.R., Orbach, D.N. 2021. Post-Copulatory Sexual Selection. In: Futuyma, D., ed.
Oxford Bibliographies in Evolutionary Biology. New York: Oxford University Press.
doi: 10.1093/OBO/9780199941728-0131
25: Orbach, D.N., Eaton, J., Fiori, L., Piwetz, S., Weir, J.S., Würsig, M, Würsig, B. 2020. Mating patterns of dusky dolphins (Lagenorhynchus obscurus) explored using an unmanned aerial vehicle. Marine Mammal Science 36(4):1097-1110. doi: 10.1111/mms.12695
24: Brennan, P.L.R, Orbach, D.N. 2020. Copulatory behavior and its relationship to genital morphology. Advances in the Study of Behavior 52:65-122. doi: 10.1016/bs.asb.2020.01.001
23: Orbach, D.N., Brennan, P.L.R., Hedrick, B., Keener, W., Webber, Mesnick, S.L. 2020. Asymmetric and spiraled genitalia coevolve with unique lateralized mating behavior. Scientific Reports 10:3257. doi:10.1038/s41598-020-60287-w
22. Orbach, D.N., Rooke, A.C., Evans, J.P., Pitcher, T.E., Purchase. C.F. 2020 . Assessing the potential for post-ejaculatory female choice in a polyandrous beach-spawning fish. Journal of Evolutionary Biology 33:449-459. doi:10.1111/jeb.13579
21. Orbach, D.N. 2019. Sexual strategies- male and female mating tactics. In: Würsig, B., ed. Ethology and Behavioral Ecology of Odontocetes. Springer International Publishing AG. Pp. 75-93.
20. Orbach, D.N., Donovan, M., Purchase, C.F. 2019. Sexually selected traits are larger and more variable in male than female beach-spawning capelin (Mallotus villosus). Journal of Fish Biology 95:1385–1390. doi: 10.1111/jfb.14145
19. Einfeldt, A., Orbach, D.N., Feyrer, L.J. 2019. Sex-by-sequencing reveals the first two cetacean species with XXY chromosome disorder. Journal of Mammalogy 100(5):1671-1677. doi:10.1093/jmammal/gyz131
18. Orbach, D.N., Rattan, S., Hogan, M., Crosby, A.J., Brennan, P.L.R. 2019. Biomechanical properties of female dolphin reproductive tissue. Acta Biomaterialia, 86(1):117-124. doi:10.1016/j.actbio.2019.01.012
17. Orbach, D.N., Keener, W., Ziltener, A., Packard, J., Würsig, B. 2019. Testes size, vaginal complexity, and behavior in toothed whales (odontocetes): Arms race or tradeoff model for dusky dolphins (Lagenorhynchus obscurus), harbor porpoises (Phocoena phocoena), and bottlenose dolphins (Tursiops spp.)? Journal of Comparative Psychology 133(3):359. doi:10.1037/com0000162
16. Orbach, D.N., Pearson, H.C., Beier-Engelhaupt, A., Deutsch, S., Srinivasan, M., Weir, J.S., Yin, S., Würsig, B. 2018. Long-term assessment of spatio-temporal association patterns of dusky dolphins (Lagenorhynchus obscurus) off Kaikoura, New Zealand. Aquatic Mammals 44(6):608-619. doi:10.1578/AM.44.6.2018.608
15. Weir, J.S., Fiori, L., Orbach, D.N., Piwetz, P., Protheroe, C., Würsig, B. 2018. Dusky dolphin (Lagenorhynchus obscurus) mother-calf pairs: An aerial perspective. Aquatic Mammals 44(6):603-607. doi:10.1578/AM.44.6.2018.603
14. Keener, W., Webber, M.A., Szczepaniak, I.D., Markowitz, T.M., Orbach, D.N. 2018. The sex life of harbor porpoises: Male lateralized and aerial behavior. Aquatic Mammals 44(6):620-632. doi:10.1578/AM.44.6.2018.620
13. Orbach, D.N. 2017. Reproductive anatomy. In: Würsig, B., Kovacs, K., and Thewissen, J.G.M., eds.
Encyclopedia of Marine Mammals, 4th ed. Amsterdam: Elsevier Academic Press. Pp. 795-797.
12. Orbach, D.N., Hedrick, B., Würsig, B., Mesnick, S.L., Brennan, P.L.R. 2017. The evolution of genital shape variation in female cetaceans. Evolution 72(2):261-273. doi:10.1111/evo13995.
11. Orbach, D.N., Kelly, D.A., Solano, M., Brennan, P.L.R. 2017. Genital interactions during simulated copulation amongst marine mammals. Proceedings of the Royal Society of London B, 284(1864): 20171265. doi:10.1098/rspb.2017.1265.
10. Orbach, D.N., Marshall, C.D., Mesnick, S.L, and Würsig, B. 2017. Patterns of cetacean vaginal folds yield insights on functionality. PLoS ONE, 12(3): e0175037. doi:10.1371/journal.pone.0175037.
9. Orbach, D.N., Marshall, C.D., Würsig, B., Mesnick, S.L. 2016. Variation in female reproductive tract morphology of the common bottlenose dolphin (Tursiops truncatus). The Anatomical Record. 299: 520-537. doi: 10.1002/ar.23318.
8. Orbach, D.N., Packard, J.M., Kirchner, T., Würsig, B. 2015. Evasive behaviours of female dusky dolphins (Lagenorhynchus obscurus) during exploitative scramble competition. Behaviour 152: 1953-1977. doi: 10.1163/1568539X-00003310.
7. Orbach, D.N., Rosenthal, G.G., Würsig, B. 2015. Copulation rate declines with mating group size in dusky dolphins (Lagenorhynchus obscurus). Canadian Journal of Zoology 93: 503-507. doi: 10.1139/cjz-2015-0081.
6. Orbach, D.N., Packard, J.M., Piwetz, S., Würsig, B. 2015. Sex-specific variation in conspecific-acquired marking prevalence among dusky dolphins (Lagenorhynchus obscurus). Canadian Journal of Zoology 93: 383-390. doi: 10.1139/cjz-2014-0302.
5. Orbach, D.N. , Kirchner, T. 2014. Armed escorts: Dusky dolphin (Lagenorhynchus obscurus) interactions with octopuses (Pinnoctopus cordiformis) in New Zealand. Aquatic Mammals 40.3: 285-292. doi: 10.1578/AM.40.3.2014.285.
4. Kügler, A., Orbach, D.N. 2014. Sources of notch and scar patterns on the dorsal fins of dusky dolphins (Lagenorhynchus obscurus). Aquatic Mammals 40.3: 152-165. doi: 10.1578/AM.40.3.2014.152.
3. Orbach, D.N., Packard, J.M., Würsig, B. 2014. Mating group size in dusky dolphins (Lagenorhynchus obscurus): Costs and benefits of scramble competition. Ethology 120(8): 804-815. doi: 10.1111/eth.12253.
2. Orbach, D.N., Fenton, M.B. 2010. Vision impairs the abilities of bats to avoid colliding with stationary obstacles. PLoS ONE 5(11): e13912. doi:10.1371/journal.pone.0013912.
1. Orbach, D.N., Veselka, N., Dzal, Y., Lazure, L., Fenton, M.B. 2010. Drinking and flying: Does alcohol consumption affect the flight and echolocation performance of phyllostomid bats? PLoS ONE 5(2): e8993. doi:10.1371/journal.pone.0008993
31: Hague, E.L., McCaffrey, N., Stockin, K.A., Orbach, D.N. 2022. Previously undocumented long-finned pilot whale (Globicephala melas) placental expulsion in coastal waters of Shetland, United Kingdom. Aquatic Mammals 48(6):610-616. doi: 10.1578/AM.48.6.2022.610
30: Hurst, B., and Orbach, D.N.O. 2022. Salinity affects wound healing in wild common bottlenose
dolphins (Tursiops truncatus). American Journal of Undergraduate Research. 19(1):23-30. doi: 10.33697/ajur.2022.056
29: Orbach, D.N. 2022. Gender bias in the study of genital evolution: Females continue to receive less attention than males. Integrative and Comparative Biology icac012. doi: 10.1093/icb/icac012
28: Brennan, P.L.R., Cowart, J., and Orbach, D.N. 2022. Evidence of a functional clitoris in dolphins.
Current Biology 32(1): R24-R26. doi: 10.1016/j.cub.2021.11.020
27: Orbach, D.N., Brassey, C.B., Gardiner, J.D., Brennan, P.L.R. 2021. 3D genital shape complexity in female marine mammals. Ecology and Evolution 11(7):3210-3218. doi: 10.1002/ece3.7269
26: Brennan, P.L.R., Orbach, D.N. 2021. Post-Copulatory Sexual Selection. In: Futuyma, D., ed.
Oxford Bibliographies in Evolutionary Biology. New York: Oxford University Press.
doi: 10.1093/OBO/9780199941728-0131
25: Orbach, D.N., Eaton, J., Fiori, L., Piwetz, S., Weir, J.S., Würsig, M, Würsig, B. 2020. Mating patterns of dusky dolphins (Lagenorhynchus obscurus) explored using an unmanned aerial vehicle. Marine Mammal Science 36(4):1097-1110. doi: 10.1111/mms.12695
24: Brennan, P.L.R, Orbach, D.N. 2020. Copulatory behavior and its relationship to genital morphology. Advances in the Study of Behavior 52:65-122. doi: 10.1016/bs.asb.2020.01.001
23: Orbach, D.N., Brennan, P.L.R., Hedrick, B., Keener, W., Webber, Mesnick, S.L. 2020. Asymmetric and spiraled genitalia coevolve with unique lateralized mating behavior. Scientific Reports 10:3257. doi:10.1038/s41598-020-60287-w
22. Orbach, D.N., Rooke, A.C., Evans, J.P., Pitcher, T.E., Purchase. C.F. 2020 . Assessing the potential for post-ejaculatory female choice in a polyandrous beach-spawning fish. Journal of Evolutionary Biology 33:449-459. doi:10.1111/jeb.13579
21. Orbach, D.N. 2019. Sexual strategies- male and female mating tactics. In: Würsig, B., ed. Ethology and Behavioral Ecology of Odontocetes. Springer International Publishing AG. Pp. 75-93.
20. Orbach, D.N., Donovan, M., Purchase, C.F. 2019. Sexually selected traits are larger and more variable in male than female beach-spawning capelin (Mallotus villosus). Journal of Fish Biology 95:1385–1390. doi: 10.1111/jfb.14145
19. Einfeldt, A., Orbach, D.N., Feyrer, L.J. 2019. Sex-by-sequencing reveals the first two cetacean species with XXY chromosome disorder. Journal of Mammalogy 100(5):1671-1677. doi:10.1093/jmammal/gyz131
18. Orbach, D.N., Rattan, S., Hogan, M., Crosby, A.J., Brennan, P.L.R. 2019. Biomechanical properties of female dolphin reproductive tissue. Acta Biomaterialia, 86(1):117-124. doi:10.1016/j.actbio.2019.01.012
17. Orbach, D.N., Keener, W., Ziltener, A., Packard, J., Würsig, B. 2019. Testes size, vaginal complexity, and behavior in toothed whales (odontocetes): Arms race or tradeoff model for dusky dolphins (Lagenorhynchus obscurus), harbor porpoises (Phocoena phocoena), and bottlenose dolphins (Tursiops spp.)? Journal of Comparative Psychology 133(3):359. doi:10.1037/com0000162
16. Orbach, D.N., Pearson, H.C., Beier-Engelhaupt, A., Deutsch, S., Srinivasan, M., Weir, J.S., Yin, S., Würsig, B. 2018. Long-term assessment of spatio-temporal association patterns of dusky dolphins (Lagenorhynchus obscurus) off Kaikoura, New Zealand. Aquatic Mammals 44(6):608-619. doi:10.1578/AM.44.6.2018.608
15. Weir, J.S., Fiori, L., Orbach, D.N., Piwetz, P., Protheroe, C., Würsig, B. 2018. Dusky dolphin (Lagenorhynchus obscurus) mother-calf pairs: An aerial perspective. Aquatic Mammals 44(6):603-607. doi:10.1578/AM.44.6.2018.603
14. Keener, W., Webber, M.A., Szczepaniak, I.D., Markowitz, T.M., Orbach, D.N. 2018. The sex life of harbor porpoises: Male lateralized and aerial behavior. Aquatic Mammals 44(6):620-632. doi:10.1578/AM.44.6.2018.620
13. Orbach, D.N. 2017. Reproductive anatomy. In: Würsig, B., Kovacs, K., and Thewissen, J.G.M., eds.
Encyclopedia of Marine Mammals, 4th ed. Amsterdam: Elsevier Academic Press. Pp. 795-797.
12. Orbach, D.N., Hedrick, B., Würsig, B., Mesnick, S.L., Brennan, P.L.R. 2017. The evolution of genital shape variation in female cetaceans. Evolution 72(2):261-273. doi:10.1111/evo13995.
11. Orbach, D.N., Kelly, D.A., Solano, M., Brennan, P.L.R. 2017. Genital interactions during simulated copulation amongst marine mammals. Proceedings of the Royal Society of London B, 284(1864): 20171265. doi:10.1098/rspb.2017.1265.
10. Orbach, D.N., Marshall, C.D., Mesnick, S.L, and Würsig, B. 2017. Patterns of cetacean vaginal folds yield insights on functionality. PLoS ONE, 12(3): e0175037. doi:10.1371/journal.pone.0175037.
9. Orbach, D.N., Marshall, C.D., Würsig, B., Mesnick, S.L. 2016. Variation in female reproductive tract morphology of the common bottlenose dolphin (Tursiops truncatus). The Anatomical Record. 299: 520-537. doi: 10.1002/ar.23318.
8. Orbach, D.N., Packard, J.M., Kirchner, T., Würsig, B. 2015. Evasive behaviours of female dusky dolphins (Lagenorhynchus obscurus) during exploitative scramble competition. Behaviour 152: 1953-1977. doi: 10.1163/1568539X-00003310.
7. Orbach, D.N., Rosenthal, G.G., Würsig, B. 2015. Copulation rate declines with mating group size in dusky dolphins (Lagenorhynchus obscurus). Canadian Journal of Zoology 93: 503-507. doi: 10.1139/cjz-2015-0081.
6. Orbach, D.N., Packard, J.M., Piwetz, S., Würsig, B. 2015. Sex-specific variation in conspecific-acquired marking prevalence among dusky dolphins (Lagenorhynchus obscurus). Canadian Journal of Zoology 93: 383-390. doi: 10.1139/cjz-2014-0302.
5. Orbach, D.N. , Kirchner, T. 2014. Armed escorts: Dusky dolphin (Lagenorhynchus obscurus) interactions with octopuses (Pinnoctopus cordiformis) in New Zealand. Aquatic Mammals 40.3: 285-292. doi: 10.1578/AM.40.3.2014.285.
4. Kügler, A., Orbach, D.N. 2014. Sources of notch and scar patterns on the dorsal fins of dusky dolphins (Lagenorhynchus obscurus). Aquatic Mammals 40.3: 152-165. doi: 10.1578/AM.40.3.2014.152.
3. Orbach, D.N., Packard, J.M., Würsig, B. 2014. Mating group size in dusky dolphins (Lagenorhynchus obscurus): Costs and benefits of scramble competition. Ethology 120(8): 804-815. doi: 10.1111/eth.12253.
2. Orbach, D.N., Fenton, M.B. 2010. Vision impairs the abilities of bats to avoid colliding with stationary obstacles. PLoS ONE 5(11): e13912. doi:10.1371/journal.pone.0013912.
1. Orbach, D.N., Veselka, N., Dzal, Y., Lazure, L., Fenton, M.B. 2010. Drinking and flying: Does alcohol consumption affect the flight and echolocation performance of phyllostomid bats? PLoS ONE 5(2): e8993. doi:10.1371/journal.pone.0008993
