Czapanskiy, M. F., Ponganis, P. J., Fahlbusch, J. A., Schmitt, T. L., & Goldbogen, J. A. (2022). An accelerometer-derived ballistocardiogram method for detecting heart rate in free-ranging marine mammals. Journal of Experimental Biology, 225(10). https://doi.org/10.1242/jeb.243872
Ponganis, P. J., Fujise, Y., & Miyazaki, N. (2022). Morphology and physiology in some small pelagic cetaceans: Is Dall’s porpoise a deep diver and a thoroughbred of the sea? Marine Mammal Science, 28. https://doi.org/10.1111/mms.12932
Ponganis, P. J. J. (2021). A Physio-Logging Journey: Heart Rates of the Emperor Penguin and Blue Whale. Frontiers in Physiology, 12, 7. https://doi.org/10.3389/fphys.2021.721381
Williams, C. L., & Ponganis, P. J. (2021). Diving physiology of marine mammals and birds: the development of biologging techniques. Philosophical Transactions of the Royal Society B-Biological Sciences, 376(1830). https://doi.org/10.1098/rstb.2020.0211
Williams, C. L., Czapanskiy, M. F., John, J. S., St Leger, J., Scadeng, M., & Ponganis, P. J. (2021). Cervical air sac oxygen profiles in diving emperor penguins: parabronchial ventilation and the respiratory oxygen store. Journal of Experimental Biology, 224(1). https://doi.org/10.1242/jeb.230219
Kooyman, G. L., Goetz, K., Williams, C. L., Ponganis, P. J., Sato, K., Eckert, S., Horning, M., Thorson, R. T., & Van Dam, R. R. (2020). Crary bank: a deep foraging habitat for emperor penguins in the western Ross Sea. Polar Biology, 43(7), 801–811. https://doi.org/10.1007/s00300-020-02686-3
Kooyman, G. L., McDonald, B. I., Williams, C. L., Meir, J. U., & Ponganis, P. J. (2020). The aerobic dive limit: After 40 years, still rarely measured but commonly used. Comparative Biochemistry and Physiology A-Molecular & Integrative Physiology, 252. https://doi.org/10.1016/j.cbpa.2020.110841
Goldbogen, J. A., Cade, D. E., Calambokidis, J., Czapanskiy, M. F., Fahlbusch, J., Friedlaender, A. S., Gough, W. T., Kahane-Rapport, S. R., Savoca, M. S., Ponganis, K. V., & Ponganis, P. J. (2019). Extreme bradycardia and tachycardia in the world’s largest animal. Proceedings of the National Academy of Sciences of the United States of America, 116(50), 25329–25332. https://doi.org/10.1073/pnas.1914273116
Ponganis, P. J. (2019). State of the art review: from the seaside to the bedside: insights from comparative diving physiology into respiratory, sleep and critical care. Thorax, 74(5), 512–518. https://doi.org/10.1136/thoraxjnl-2018-212136
Williams, C. L., Sato, K., & Ponganis, P. J. (2019). Activity, not submergence, explains diving heart rates of captive loggerhead sea turtles. Journal of Experimental Biology, 222(8). https://doi.org/10.1242/jeb.200824
Tift, M. S., Huckstadt, L. A., & Ponganis, P. J. (2018). Anterior vena caval oxygen profiles in a deep-diving California sea lion: arteriovenous shunts, a central venous oxygen store and oxygenation during lung collapse. Journal of Experimental Biology, 221(1). https://doi.org/10.1242/jeb.163428
Ponganis, P. J., McDonald, B. I., Tift, M. S., Gonzalez, S. C., DaValle, B., Gliniecki, R. A., Stehman, C. C., Hauff, N., Ruddick, B., & Howard, R. (2017). Effects of inhalational anesthesia on blood gases and pH in California sea lions. Marine Mammal Science, 33(3), 726–737. https://doi.org/10.1111/mms.12388
Kooyman, G. L., & Ponganis, P. J. (2017). Rise and fall of Ross Sea emperor penguin colony populations: 2000 to 2012. Antarctic Science, 29(3), 201–208. https://doi.org/10.1017/s0954102016000559
Ponganis, P. J., McDonald, B. I., Tift, M. S., & Williams, C. L. (2017). Heart rate regulation in diving sea lions: the vagus nerve rules. Journal of Experimental Biology, 220(8), 1372–1381. https://doi.org/10.1242/jeb.146779
Tift, M. S., Huckstadt, L. A., McDonald, B. I., Thorson, P. H., & Ponganis, P. J. (2017). Flipper stroke rate and venous oxygen levels in free-ranging California sea lions. Journal of Experimental Biology, 220(8), 1533–1540. https://doi.org/10.1242/jeb.152314
Cristofari, R., Bertorelle, G., Ancel, A., Benazzo, A., Le Maho, Y., Ponganis, P. J., Stenseth, N. C., Trathan, P. N., Whittington, J. D., Zanetti, E., Zitterbart, D. P., Le Bohec, C., & Trucchi, E. (2016). Full circumpolar migration ensures evolutionary unity in the Emperor penguin. Nature Communications, 7. https://doi.org/10.1038/ncomms11842
Ponganis, P. J., St Leger, J., & Scadeng, M. (2015). Penguin lungs and air sacs: implications for baroprotection, oxygen stores and buoyancy. Journal of Experimental Biology, 218(5), 720–730. https://doi.org/10.1242/jeb.113647
McDonald, B. I., & Ponganis, P. J. (2014). Deep-diving sea lions exhibit extreme bradycardia in long-duration dives. Journal of Experimental Biology, 217(9), 1525–1534. https://doi.org/10.1242/jeb.098558
Tift, M. S., Ponganis, P. J., & Crocker, D. E. (2014). Elevated carboxyhemoglobin in a marine mammal, the northern elephant seal. Journal of Experimental Biology, 217(10), 1752–1757. https://doi.org/10.1242/jeb.100677
Kooyman, G. L., & Ponganis, P. J. (2014). Chick production at the largest emperor penguin colony decreases by 50% from 2008-10. Antarctic Science, 26(1), 33–37. https://doi.org/10.1017/s0954102013000515
Wright, A. K., Ponganis, K. V., McDonald, B. I., & Ponganis, P. J. (2014). Heart rates of emperor penguins diving at sea: implications for oxygen store management. Marine Ecology Progress Series, 496, 85–98. https://doi.org/10.3354/meps10592
Meir, J. U., Robinson, P. W., Vilchis, L. I., Kooyman, G. L., Costa, D. P., & Ponganis, P. J. (2013). Blood oxygen depletion is independent of dive function in a deep diving vertebrate, the northern elephant seal. PLOS ONE, 8(12). https://doi.org/10.1371/journal.pone.0083248
McDonald, B. I., & Ponganis, P. J. (2013). Insights from venous oxygen profiles: oxygen utilization and management in diving California sea lions. Journal of Experimental Biology, 216(17), 3332–3341. https://doi.org/10.1242/jeb.085985
McDonald, B. I., & Ponganis, P. J. (2012). Lung collapse in the diving sea lion: hold the nitrogen and save the oxygen. Biology Letters, 8(6), 1047–1049. https://doi.org/10.1098/rsbl.2012.0743
Watanabe, S., Sato, K., & Ponganis, P. J. (2012). Activity time budget during foraging trips of emperor penguins. PLOS ONE, 7(11). https://doi.org/10.1371/journal.pone.0050357
Williams, C. L., Sato, K., Shiomi, K., & Ponganis, P. J. (2012). Muscle energy stores and stroke rates of emperor penguins: implications for muscle metabolism and dive performance. Physiological and Biochemical Zoology, 85(2), 120–133. https://doi.org/10.1086/664698
Shiomi, K., Sato, K., & Ponganis, P. J. (2012). Point of no return in diving emperor penguins: is the timing of the decision to return limited by the number of strokes? Journal of Experimental Biology, 215(1), 135–140. https://doi.org/10.1242/jeb.064568
Ponganis, P. J., Meir, J. U., & Williams, C. L. (2011). In pursuit of Irving and Scholander: a review of oxygen store management in seals and penguins. Journal of Experimental Biology, 214(20), 3325–3339. https://doi.org/10.1242/jeb.031252
Sato, K., Shiomi, K., Marshall, G., Kooyman, G. L., & Ponganis, P. J. (2011). Stroke rates and diving air volumes of emperor penguins: implications for dive performance. Journal of Experimental Biology, 214(17), 2854–2863. https://doi.org/10.1242/jeb.055723
Williams, C. L., Meir, J. U., & Ponganis, P. J. (2011). What triggers the aerobic dive limit? Patterns of muscle oxygen depletion during dives of emperor penguins. Journal of Experimental Biology, 214(11), 1802–1812. https://doi.org/10.1242/jeb.052233
Ponganis, P. J. (2011). Diving Mammals. Comprehensive Physiology, 1(1). https://doi.org/10.1002/cphy.c091003
Blight, L. K., Ainley, D. G., Ackley, S. F., Ballard, G., Ballerini, T., Brownell, R. L., Cheng, C. H. C., Chiantore, M., Costa, D., Coulter, M. C., Dayton, P., Devries, A. L., Dunbar, R., Earle, S., Eastman, J. T., Emslie, S. D., Evans, C. W., Garrott, R. A., Kim, S., … Woehler, E. J. (2010). Fishing for data in the Ross Sea. Science, 330(6009), 1316–1316. https://doi.org/10.1126/science.330.6009.1316
Meir, J. U., & Ponganis, P. J. (2010). Blood temperature profiles of diving elephant seals. Physiological and Biochemical Zoology, 83(3), 531–540. https://doi.org/10.1086/651070
Ponganis, P. J., Welch, T. J., Welch, L. S., & Stockard, T. K. (2010). Myoglobin production in emperor penguins. Journal of Experimental Biology, 213(11), 1901–1906. https://doi.org/10.1242/jeb.042093
Zenteno-Savin, T., Leger, J. S., & Ponganis, P. J. (2010). Hypoxemic and ischemic tolerance in emperor penguins. Comparative Biochemistry and Physiology C-Toxicology & Pharmacology, 152(1), 18–23. https://doi.org/10.1016/j.cbpc.2010.02.007
Sato, K., Shiomi, K., Watanabe, Y., Watanuki, Y., Takahashi, A., & Ponganis, P. J. (2010). Scaling of swim speed and stroke frequency in geometrically similar penguins: they swim optimally to minimize cost of transport. Proceedings of the Royal Society B-Biological Sciences, 277(1682), 707–714. https://doi.org/10.1098/rspb.2009.1515
Houser, D. S., Dankiewicz-Talmadge, L. A., Stockard, T. K., & Ponganis, P. J. (2010). Investigation of the potential for vascular bubble formation in a repetitively diving dolphin. Journal of Experimental Biology, 213(1), 52–62. https://doi.org/10.1242/jeb.028365
Ponganis, P. J., Meir, J. U., & Williams, C. L. (2010). Oxygen store depletion and the aerobic dive limit in emperor penguins. Aquatic Biology, 8(3), 237–245. https://doi.org/10.3354/ab00216
Shiomi, K., Narazaki, T., Sato, K., Shimatani, K., Arai, N., Ponganis, P. J., & Miyazaki, N. (2010). Data-processing artefacts in three-dimensional dive path reconstruction from geomagnetic and acceleration data. Aquatic Biology, 8(3), 299–304. https://doi.org/10.3354/ab00239
Meir, J. U., & Ponganis, P. J. (2009). High-affinity hemoglobin and blood oxygen saturation in diving emperor penguins. Journal of Experimental Biology, 212(20), 3330–3338. https://doi.org/10.1242/jeb.033761
Meir, J. U., Champagne, C. D., Costa, D. P., Williams, C. L., & Ponganis, P. J. (2009). Extreme hypoxemic tolerance and blood oxygen depletion in diving elephant seals. American Journal of Physiology-Regulatory Integrative and Comparative Physiology, 297(4), R927–R939. https://doi.org/10.1152/ajpregu.00247.2009
Ponganis, P. J., Stockard, T. K., Meir, J. U., Williams, C. L., Ponganis, K. V., & Howard, R. (2009). O-2 store management in diving emperor penguins. Journal of Experimental Biology, 212(2), 217–224. https://doi.org/10.1242/jeb.026096
Ponganis, P. J., Kreutzer, U., Stockard, T. K., Lin, P. C., Sailasuta, N., Tran, T. K., Hurd, R., & Jue, T. (2008). Blood flow and metabolic regulation in seal muscle during apnea. Journal of Experimental Biology, 211(20), 3323–3332. https://doi.org/10.1242/jeb.018887
Meir, J. U., Stockard, T. K., Williams, C. L., Ponganis, K. V., & Ponganis, P. J. (2008). Heart rate regulation and extreme bradycardia in diving emperor penguins. Journal of Experimental Biology, 211(8), 1169–1179. https://doi.org/10.1242/jeb.013235
Barber-Meyer, S. M., Kooyman, G. L., & Ponganis, P. J. (2008). Trends in western Ross Sea emperor penguin chick abundances and their relationships to climate. Antarctic Science, 20(1), 3–11. https://doi.org/10.1017/s0954102007000673
Shiomi, K., Sato, K., Mitamura, H., Arai, N., Naito, Y., & Ponganis, P. J. (2008). Effect of ocean current on the dead-reckoning estimation of 3-D dive paths of emperor penguins. Aquatic Biology, 3(3), 265–270. https://doi.org/10.3354/ab00087
Ponganis, P. J., Stockard, T. K., Meir, J. U., Williams, C. L., Ponganis, K. V., van Dam, R. P., & Howard, R. (2007). Returning on empty: extreme blood O-2 depletion underlies dive capacity of emperor penguins. Journal of Experimental Biology, 210(24), 4279–4285. https://doi.org/10.1242/jeb.011221
Ponganis, P. J., & Stockard, T. K. (2007). The Antarctic toothfish: how common a prey for Weddell seals? Antarctic Science, 19(4), 441–442. https://doi.org/10.1017/s0954102007000715
Barber-Meyer, S. M., Kooyman, G. L., & Ponganis, P. J. (2007). Estimating the relative abundance of emperor penguins at inaccessible colonies using satellite imagery. Polar Biology, 30(12), 1565–1570. https://doi.org/10.1007/s00300-007-0317-8
Stockard, T. K., Levenson, D. H., Berg, L., Fransioli, J. R., Baranov, E. A., & Ponganis, P. J. (2007). Blood oxygen depletion during rest-associated apneas of northern elephant seals (Mirounga angustirostris). Journal of Experimental Biology, 210(15), 2607–2617. https://doi.org/10.1242/jeb.008078