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1

Curry, Barbara E. "Facial anatomy and potential function of facial structures for sound production in the harbor porpoise (Phocoena phocoena) and Dall's porpoise (Phocoenoides dalli)." Canadian Journal of Zoology 70, no. 11 (1992): 2103–14. http://dx.doi.org/10.1139/z92-283.

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Structural modifications of the odontocete skull and nasal passages have shifted the position of the facial bones and associated soft anatomy to the dorsal aspect of the head. The facial structures of true porpoises, Phocoenidae, are highly specialized. Facial regions of 18 Phocoena phocoena and 3 Phocoenoides dalli specimens were dissected and described. In addition, heads of three phocoenid specimens were serially sectioned. Comparison to delphinid facial anatomy demonstrates that nasal passages, associated diverticula, and facial muscles of these phocoenid species are homologous to facial s
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2

Jauniaux, Thierry P., Cecile Brenez, David Fretin, et al. "Brucella cetiInfection in Harbor Porpoise (Phocoena phocoena)." Emerging Infectious Diseases 16, no. 12 (2010): 1966–68. http://dx.doi.org/10.3201/eid1612.101008.

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3

Westgate, Andrew J., Andrew J. Head, Per Berggren, Heather N. Koopman, and David E. Gaskin. "Diving behaviour of harbour porpoises, Phocoena phocoena." Canadian Journal of Fisheries and Aquatic Sciences 52, no. 5 (1995): 1064–73. http://dx.doi.org/10.1139/f95-104.

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The diving behaviour of seven free-ranging harbour porpoises (Phocoena phocoena) was examined using time–depth recorders. In total, 8167 individual dives were recorded over 254 h. The longest period of data collection from an individual was 106.1 h. Mean dive depths and durations ranged from 14 ± 16 to 41 ± 32 m, and from 44 ± 37 to 103 ± 67 s, respectively. The maximum recorded dive depth and duration was 226 m and 321 s. This performance may not represent the maximum capacity of harbour porpoises but rather the maximum depth of the study area. Individual dives had similar rates of descent an
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4

Kindt‐Larsen, Lotte, Casper Willestofte Berg, Simon Northridge, and Finn Larsen. "Harbor porpoise ( Phocoena phocoena ) reactions to pingers." Marine Mammal Science 35, no. 2 (2018): 552–73. http://dx.doi.org/10.1111/mms.12552.

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5

Torres Ortiz, Sara, Johanna Stedt, Henrik Skov Midtiby, Henrik Dyrberg Egemose, and Magnus Wahlberg. "Group hunting in harbour porpoises (Phocoena phocoena)." Canadian Journal of Zoology 99, no. 6 (2021): 511–20. http://dx.doi.org/10.1139/cjz-2020-0289.

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Cooperative hunting involves individual predators relating in time and space to each other’s actions to more efficiently track down and catch prey. The evolution of advanced cognitive abilities and sociality in animals are strongly associated with cooperative hunting abilities as has been shown in lions, chimpanzees, and dolphins. Much less is known about cooperative hunting in seemingly unsocial animals, such as the harbour porpoise (Phocoena phocoena (Linnaeus, 1758)). Using drones, we were able to record 159 hunting sequences of porpoises, out of which 95 sequences involved more than one po
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6

Hoek, Wyb. "AN UNUSUAL AGGREGATION OF HARBOR PORPOISES (PHOCOENA PHOCOENA)." Marine Mammal Science 8, no. 2 (1992): 152–55. http://dx.doi.org/10.1111/j.1748-7692.1992.tb00374.x.

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7

Akamatsu, Tomonari, Yoshimi Hatakeyama, Takahito Kojima, and Hideo Soeda. "ECHOLOCATION RATES OF TWO HARBOR PORPOISES (PHOCOENA PHOCOENA)." Marine Mammal Science 10, no. 4 (1994): 401–11. http://dx.doi.org/10.1111/j.1748-7692.1994.tb00497.x.

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8

Stephen, Craig. "Hiatal Hernia in a Harbor Porpoise (Phocoena phocoena)." Journal of Wildlife Diseases 29, no. 2 (1993): 364–66. http://dx.doi.org/10.7589/0090-3558-29.2.364.

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9

Curren, Krishna, Neil Bose, and Jon Lien. "Morphological variation in the harbour porpoise (Phocoena phocoena)." Canadian Journal of Zoology 71, no. 5 (1993): 1067–70. http://dx.doi.org/10.1139/z93-143.

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Average values of morphological parameters for mature harbour porpoise (Phocoena phocoena) are presented. Variation in these parameters with body length was examined for a sample of 35 porpoise. Several parameters including fineness ratio, fluke aspect ratio, and the ratios of fluke area:body surface area and (body surface area)1/2:(body volume)1/3 were found to vary with body length. Fluke aspect ratio was inversely proportional to fluke sweep angle. The finding that many morphological parameters vary with length for harbour porpoise indicates the dependence of these parameters on age; this m
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10

Verfuss, U. K. "Spatial orientation in echolocating harbour porpoises (Phocoena phocoena)." Journal of Experimental Biology 208, no. 17 (2005): 3385–94. http://dx.doi.org/10.1242/jeb.01786.

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11

Verfuss, U. K., L. A. Miller, P. K. D. Pilz, and H. U. Schnitzler. "Echolocation by two foraging harbour porpoises (Phocoena phocoena)." Journal of Experimental Biology 212, no. 6 (2009): 823–34. http://dx.doi.org/10.1242/jeb.022137.

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12

Villadsgaard, A., M. Wahlberg, and J. Tougaard. "Echolocation signals of wild harbour porpoises, Phocoena phocoena." Journal of Experimental Biology 210, no. 1 (2007): 56–64. http://dx.doi.org/10.1242/jeb.02618.

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13

Au, Whitlow, Ronald Kastelein, and Lean Helder-Hoek. "Acoustic reflectivity of a harbor porpoise Phocoena phocoena." Journal of the Acoustical Society of America 145, no. 3 (2019): 1774. http://dx.doi.org/10.1121/1.5101495.

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14

Au, Whitlow W. L., Ronald A. Kastelein, and Lean Helder-Hoek. "Acoustic reflectivity of a harbor porpoise (Phocoena phocoena)." Journal of the Acoustical Society of America 146, no. 4 (2019): 2475–81. http://dx.doi.org/10.1121/1.5128328.

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15

Galatius, A., and P. E. Gol’din. "Geographic variation of skeletal ontogeny and skull shape in the harbour porpoise (Phocoena phocoena)." Canadian Journal of Zoology 89, no. 9 (2011): 869–79. http://dx.doi.org/10.1139/z11-059.

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All extant porpoise species show paedomorphic skeletal traits. These traits are hypothesized to be connected with rapid growth to reproductive size and could thus show geographic variation according to ecological circumstances. To investigate this, skeletal ontogeny was compared among harbour porpoises from California, West Greenland, the inner Danish waters, and the Sea of Azov. Porpoises from California grew to larger sizes than Danish porpoises, which were again larger than Greenlandic porpoises, whereas Azov porpoises were smallest. Size differences were largely attributable to differences
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16

Mikkelsen, L., KN Mouritsen, K. Dahl, J. Teilmann, and J. Tougaard. "Re-established stony reef attracts harbour porpoises Phocoena phocoena." Marine Ecology Progress Series 481 (May 7, 2013): 239–48. http://dx.doi.org/10.3354/meps10260.

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17

Norman, Stephanie A., Michael M. Garner, Susan Berta, Sandra Dubpernell, and Matthew Klope. "Vaginal Calculi in a Juvenile Harbor Porpoise (Phocoena phocoena)." Journal of Zoo and Wildlife Medicine 42, no. 2 (2011): 335–37. http://dx.doi.org/10.1638/2010-0168.1.

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18

Matsui, Natsuki, Ayaka Matsuda, and Takashi Fritz Matsuishi. "Diet of Harbour Porpoises (Phocoena phocoena) Around Hokkaido, Japan." Aquatic Mammals 46, no. 2 (2020): 183–90. http://dx.doi.org/10.1578/am.46.2.2020.183.

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19

Kastelein, R. A., W. W. L. Au, H. T. Rippe, and N. M. Schooneman. "Target detection by an echolocating harbor porpoise (Phocoena phocoena)." Journal of the Acoustical Society of America 105, no. 4 (1999): 2493–98. http://dx.doi.org/10.1121/1.426951.

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20

Kesselring, T., S. Viquerat, L. L. IJsseldijk, et al. "Testicular morphology and spermatogenesis in harbour porpoises (Phocoena phocoena)." Theriogenology 126 (March 2019): 177–86. http://dx.doi.org/10.1016/j.theriogenology.2018.11.031.

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21

Hschle, Caroline, Miriam J. Brandt, Ansgar Diederichs, Klaus Betke, and Georg Nehls. "Sealscarer induce behavioural responses of harbor porpoises (Phocoena phocoena)." Journal of the Acoustical Society of America 129, no. 4 (2011): 2396. http://dx.doi.org/10.1121/1.3587794.

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22

Koopman, H. N., A. J. Westgate, A. J. Read, and D. E. Gaskin. "BLOOD CHEMISTRY OF WILD HARBOR PORPOISES PHOCOENA PHOCOENA (L.)." Marine Mammal Science 11, no. 2 (1995): 123–35. http://dx.doi.org/10.1111/j.1748-7692.1995.tb00512.x.

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23

Jenkins, Rhian E., Raymond D. H. Brown, and Michael R. Phillips. "Harbour porpoise (Phocoena phocoena) conservation management: A dimensional approach." Marine Policy 33, no. 5 (2009): 744–49. http://dx.doi.org/10.1016/j.marpol.2009.02.003.

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24

Shelden, Kim E. W., Beverly A. Agler, John J. Brueggeman, Leslie A. Cornick, Suzann G. Speckman, and Amanda Prevel-Ramos. "Harbor Porpoise, Phocoena phocoena vomerina, in Cook Inlet, Alaska." Marine Fisheries Review 76, no. 1-2 (2014): 22–50. http://dx.doi.org/10.7755/mfr.76.1_2.2.

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25

Read, Andrew J. "Estimation of body condition in harbour porpoises, Phocoena phocoena." Canadian Journal of Zoology 68, no. 9 (1990): 1962–66. http://dx.doi.org/10.1139/z90-276.

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I examined the body condition of 220 harbour porpoises (Phocoena phocoena) killed incidentally in commercial fishing operations in the Bay of Fundy between July and September, 1985–1988. Condition was assessed using a direct measure (blubber mass) and two indirect measures (blubber thickness and girth). To compare condition among porpoises of different sizes, each measure was regressed against an appropriate measure of body size, and the residuals of these regressions were used as indices of condition. Mean residuals of blubber mass varied significantly among both reproductive classes and samp
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26

Seibel, H., A. Beineke, and U. Siebert. "Mycotic Otitis Media in a Harbour Porpoise (Phocoena phocoena)." Journal of Comparative Pathology 143, no. 4 (2010): 294–96. http://dx.doi.org/10.1016/j.jcpa.2010.03.002.

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27

Stern, S. Jonathan, William Keener, Isidore D. Szczepaniak, and Marc A. Webber. "Return of Harbor Porpoises (Phocoena phocoena) to San Francisco Bay." Aquatic Mammals 43, no. 6 (2017): 691–702. http://dx.doi.org/10.1578/am.43.6.2017.691.

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28

Ruser, Andreas, Michael Dähne, Abbo van Neer, et al. "Assessing auditory evoked potentials of wild harbor porpoises (Phocoena phocoena)." Journal of the Acoustical Society of America 140, no. 1 (2016): 442–52. http://dx.doi.org/10.1121/1.4955306.

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29

Nachtigall, Paul E., Alexander Ya Supin, Aude F. Pacini, and Ronald A. Kastelein. "Conditioned hearing sensitivity change in the harbor porpoise (Phocoena phocoena)." Journal of the Acoustical Society of America 140, no. 2 (2016): 960–67. http://dx.doi.org/10.1121/1.4960783.

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30

Scheidat, M., A. Gilles, KH Kock, and U. Siebert. "Harbour porpoise Phocoena phocoena abundance in the southwestern Baltic Sea." Endangered Species Research 5 (2008): 215–23. http://dx.doi.org/10.3354/esr00161.

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31

Galatius, Anders. "Sexually dimorphic proportions of the harbour porpoise (Phocoena phocoena) skeleton." Journal of Anatomy 206, no. 2 (2005): 141–54. http://dx.doi.org/10.1111/j.1469-7580.2005.00381.x.

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32

Karakosta, C. V., P. D. Jepson, H. Ohira, A. Moore, P. M. Bennett, and W. V. Holt. "Testicular and ovarian development in the harbour porpoise (Phocoena phocoena)." Journal of Zoology 249, no. 1 (1999): 111–21. http://dx.doi.org/10.1111/j.1469-7998.1999.tb01064.x.

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33

Soegaard, L. B., M. N. Hansen, C. van Elk, J. Brahm, and F. B. Jensen. "Respiratory properties of blood in the harbor porpoise, Phocoena phocoena." Journal of Experimental Biology 215, no. 11 (2012): 1938–43. http://dx.doi.org/10.1242/jeb.069872.

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34

Quintela, María, François Besnier, Bjørghild Seliussen, Kevin A. Glover, and Ulf Lindstrøm. "Population structure of bycaught harbour porpoise (Phocoena phocoena) in Norway." Marine Biology Research 16, no. 3 (2020): 141–47. http://dx.doi.org/10.1080/17451000.2020.1729992.

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35

Culik, Boris, Christian von Dorrien, Vailett Müller, and Matthias Conrad. "Synthetic communication signals influence wild harbour porpoise (Phocoena phocoena) behaviour." Bioacoustics 24, no. 3 (2015): 201–21. http://dx.doi.org/10.1080/09524622.2015.1023848.

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36

Sørensen, Thomas Buus, and Carl Christian Kinze. "Reproduction and reproductive seasonality in Danish harbour porpoises,Phocoena Phocoena." Ophelia 39, no. 3 (1994): 159–76. http://dx.doi.org/10.1080/00785326.1994.10429541.

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37

Koopman, H. N. "Topographical Distribution of the Blubber of Harbor Porpoises (Phocoena phocoena)." Journal of Mammalogy 79, no. 1 (1998): 260–70. http://dx.doi.org/10.2307/1382862.

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38

Huggenberger, Stefan, Michael A. Rauschmann, Thomas J. Vogl, and Helmut H. A. Oelschläger. "Functional Morphology of the Nasal Complex in the Harbor Porpoise (Phocoena phocoenaL.)." Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology 292, no. 6 (2009): 902–20. http://dx.doi.org/10.1002/ar.20854.

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39

Martins, Maria Clara Iruzun, Travis Park, Rachel Racicot, and Natalie Cooper. "Intraspecific variation in the cochleae of harbour porpoises (Phocoena phocoena) and its implications for comparative studies across odontocetes." PeerJ 8 (April 13, 2020): e8916. http://dx.doi.org/10.7717/peerj.8916.

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In morphological traits, variation within species is generally considered to be lower than variation among species, although this assumption is rarely tested. This is particularly important in fields like palaeontology, where it is common to use a single individual as representative of a species due to the rarity of fossils. Here, we investigated intraspecific variation in the cochleae of harbour porpoises (Phocoena phocoena). Interspecific variation of cochlear morphology is well characterised among odontocetes (toothed whales) because of the importance of the structure in echolocation, but g
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40

Kyhn, LA, PB Jørgensen, J. Carstensen, et al. "Pingers cause temporary habitat displacement in the harbour porpoise Phocoena phocoena." Marine Ecology Progress Series 526 (April 22, 2015): 253–65. http://dx.doi.org/10.3354/meps11181.

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41

Weberg Teigen, Sverre, Janneche Utne Skaare, Arne Bjørge, Eva Degre, and Gunhild Sand. "MERCURY AND SELENIUM IN HARBOR PORPOISE (PHOCOENA PHOCOENA) IN NORWEGIAN WATERS." Environmental Toxicology and Chemistry 12, no. 7 (1993): 1251. http://dx.doi.org/10.1897/1552-8618(1993)12[1251:masihp]2.0.co;2.

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42

Reed, J. Z., C. Chambers, C. J. Hunter, et al. "Gas exchange and heart rate in the harbour porpoise, Phocoena phocoena." Journal of Comparative Physiology B: Biochemical, Systemic, and Environmental Physiology 170, no. 1 (2000): 1–10. http://dx.doi.org/10.1007/s003600050001.

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43

Joergensen, Morten. "First photographed observation of the harbour porpoise (Phocoena phocoena) in Svalbard." Polar Record 43, no. 1 (2007): 73–74. http://dx.doi.org/10.1017/s0032247406236064.

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The first photographed observation of the harbour porpoise in Svalbard is reported. The harbour porpoise is not normally found in the high Arctic as it is a temperate and sub Arctic species, the nearest frequent location for the species being the north coast of Norway.
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44

Davison, N., J. Barnett, B. Rule, S. Chappell, and G. Wise. "Group B Salmonella in lungworms from a harbour porpoise (Phocoena phocoena)." Veterinary Record 167, no. 9 (2010): 351–52. http://dx.doi.org/10.1136/vr.c4495.

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45

Learmonth, Jennifer A., Sinead Murphy, Patricia L. Luque, et al. "Life history of harbor porpoises (Phocoena phocoena) in Scottish (UK) waters." Marine Mammal Science 30, no. 4 (2014): 1427–55. http://dx.doi.org/10.1111/mms.12130.

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46

Fisher, H. Dean, and Richard J. Harrison. "Reproduction in the common porpoise (Phocoena phocoena) of the North Atlantic." Journal of Zoology 161, no. 2 (2009): 471–86. http://dx.doi.org/10.1111/j.1469-7998.1970.tb02050.x.

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47

Rae, Bennet B. "Additional notes on the food of the Common porpoise (Phocoena phocoena)." Journal of Zoology 169, no. 1 (2009): 127–31. http://dx.doi.org/10.1111/j.1469-7998.1973.tb04657.x.

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48

Koschinski, Sven. "Current knowledge on harbour porpoises (Phocoena phocoena) in the Baltic Sea." Ophelia 55, no. 3 (2001): 167–97. http://dx.doi.org/10.1080/00785326.2001.10409483.

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49

Wei, Chong, Whitlow W. Au, Darlene Ketten, Zhongchang Song, and Yu Zhang. "Numerical modeling of acoustic propagation in Harbor porpoise’s (Phocoena phocoena) head." Journal of the Acoustical Society of America 138, no. 3 (2015): 1789. http://dx.doi.org/10.1121/1.4933672.

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50

Kindt-Larsen, L., J. Dalskov, B. Stage, and F. Larsen. "Observing incidental harbour porpoise Phocoena phocoena bycatch by remote electronic monitoring." Endangered Species Research 19, no. 1 (2012): 75–83. http://dx.doi.org/10.3354/esr00455.

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