PEER REVIEWED PUBLICATIONS
46: Fiori, L., Davis, R.W., Würsig, B., Orbach, D.N. Accepted. Energetic savings of bow-riding dolphins. Scientific Reports.
45: Ocampos, A.I., Guinn, M.A., Elliott, J., Wittmaack, C., Sinclair, C., Abdullah, H., Orbach, D.N. Accepted. Pharmaceuticals in the blubber of live free-swimming common bottlenose dolphins (Tursiops truncatus). iScience
44: Patton, P.T., Pacifici, K., Baird, R.W., Oleson, E.M., Allen, J.B., et al. Accepted. Evaluating tradeoffs between automation and bias in population assessments relying on photo-identification Conservation Biology.
43: Guinn, M.A., Elliott, J., Wittmaack, C., Sinclair, C., Abdullah, H., Orbach, D.N. 2024. Stress and reproductive hormones of free-ranging dolphins across a natural salinity gradient. ACS Omega 9(45):45068–45079. doi:10.1021/acsomega.4c05466
42: Davis, R.W.§, Fiori, L., Würsig, B., Orbach, D.N. 2024. Drag reduction and locomotory power in dolphins: Gray's paradox revealed. Journal of the Royal Society Interface 21:20240227. doi: 10.1098/rsif.2024.0227
41: Mills, E.M.M., Piwetz, S., Orbach, D.N. 2024. Behavioral hotspots of bottlenose dolphins in industrialized ship channels. Frontiers in Marine Science 11:1334252. doi: 10.3389/fmars.2024.1334252
40: Guinn, M.A., Toms, C.N., Sinclair, C., Orbach, D.N. 2024. Seasonal prevalence of skin lesions on dolphins across a natural salinity gradient. Sustainability 16:4260. doi: 10.3390/su16104260
39: Mills, E.M.M., Piwetz, S., Orbach, D.N. 2023. Vessels disturb bottlenose dolphin behavior and movement in an active ship channel. Animals 13(22):3441. doi: 10.3390/ani13223441
38: Würsig, B., Orbach, D.N., Eds. 2023. Sex in Cetaceans: Morphology, Behavior, and the Evolution of Sexual Strategies. 619 pp. Cham (Switzerland): Springer Nature. doi: 10.1007/978-3- 031-35651-3
37: Orbach, D.N., Gorter, U., Mesnick, S. 2023. Sexual anatomy of female cetaceans: Art and science contribute insights into functionality. In: Würsig, B., Orbach, D.N., eds. Sex in Cetaceans: Morphology, Behavior, and the Evolution of Sexual Strategies. Cham (Switzerland): Springer Nature. doi:10.1007/978-3-031-35651-3
36: Markowitz, T.M., Markowitz, W.J., Würsig, B., Orbach, D.N. 2023. Socio-sexual behavior of nocturnally foraging dusky and spinner dolphins. In: Würsig, B., Orbach, D.N., eds. Sex in Cetaceans: Morphology, Behavior, and the Evolution of Sexual Strategies. Cham (Switzerland): Springer Nature. doi:10.1007/978-3-031-35651-3
35: Ramos, E.A., Hartman, K.L., Baird, R., Lerma, J., Rodríguez-González, F., Orbach, D.N. 2023. Drone perspectives on cetacean mating and sex. In: Würsig, B., Orbach, D.N., eds. Sex in Cetaceans: Morphology, Behavior, and the Evolution of Sexual Strategies. Cham (Switzerland): Springer Nature. doi:10.1007/978-3-031-35651-3
34: Würsig, B., Rich, J.*, Orbach, D.N. 2023. Sex and behavior. In: Würsig, B., Orbach, D.N., eds. Sex in Cetaceans: Morphology, Behavior, and the Evolution of Sexual Strategies. Cham (Switzerland): Springer Nature. doi:10.1007/978-3-031-35651-3
33: Webber, M.A., Keener, W., Wahlberg, M., Elliser, C.R., MacIver, K., Torres Ortiz, S., Jakobsen, F., Hamel, H., Rieger, A., Dunn, H., Anderson, D., Hall, A.M., Birdsall, C., Pielmeier, K., Paiu, R.M., Boege Tobin, D.D., and Orbach, D.N . 2023. Sexual behavior and anatomy in harbor porpoises. In: Würsig, B., Orbach, D.N., eds. Sex in Cetaceans: Morphology, Behavior, and the Evolution of Sexual Strategies. Cham (Switzerland): Springer Nature. doi:10.1007/978-3-031-35651-3
32: Patton, P., Cheeseman, T., Kenshin, A., Taiki, Y., Walter, R. et al. 2023. A deep learning approach to photo-identification demonstrates high performance on two dozen cetacean species. Methods in Ecology and Evolution 14:2611-2625. doi:10.1111/2041-210X.14167
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
NON-PEER REVIEWED PUBLICATIONS
1. Orbach, D.N., Sperou, E., Guinn, M., Charapata, P. 2024. Chapter 17: Hormones and reproductive cycles in marine mammals. In: Norris, D., Lopez, K., Eds. Hormones and Reproduction in Vertebrates, volume 5: Mammals, 2nd edn. pp. 377- 413. Amsterdam: Elsevier Academic Press. ISBN: 9780443159862. doi: 10.1016/B978-0-443-15986-2.00017-4