Results 41 to 50 of about 878 (166)

Indication of lethal interactions between a solitary bottlenose dolphin (Tursiops truncatus) and harbor porpoises (Phocoena phocoena) in the German Baltic Sea

BMC Zoology, 2020
Background Aggressive interactions between bottlenose dolphins (Tursiops truncatus) and harbor porpoises (Phocoena phocoena) have been reported in different parts of the world since the late 1990s.
Stephanie Gross, Philip Claus, Peter Wohlsein, Tina Kesselring, Jan Lakemeyer, Anja Reckendorf, Marco Roller, Ralph Tiedemann, Ursula Siebert   +8 more
doaj   +1 more source

Antibiotic Resistance of Bacteria in Two Marine Mammal Species, Harbor Seals and Harbor Porpoises, Living in an Urban Marine Ecosystem, the Salish Sea, Washington State, USA

Oceans, 2021
The pervasive use of antibiotics in human medicine, veterinary medicine, and agriculture can result in a significant increase in the spread and environmental persistence of antibiotic resistance in marine ecosystems. This study describes the presence and
Stephanie A. Norman, Dyanna M. Lambourn, Jessica L. Huggins, Joseph K. Gaydos, Sandra Dubpernell, Susan Berta, Jennifer K. Olson, Victoria Souze, Alysha Evans, Betsy Carlson, Mandi Johnson, Rachel Mayer, Cathy King, Alyssa Scott   +13 more
doaj   +1 more source

The Emergence of Mucormycosis in Free-Ranging Marine Mammals of the Pacific Northwest

Frontiers in Marine Science, 2020
Primary fungal diseases in marine mammals are rare. Mucormycosis, a disease caused by fungi of the order Mucorales, has been documented in few cetaceans and pinnipeds.
Jessica L. Huggins, Michael M. Garner, Stephen A. Raverty, Dyanna M. Lambourn, Stephanie A. Norman, Linda D. Rhodes, Joseph K. Gaydos, Jennifer K. Olson, Martin Haulena, M. Bradley Hanson   +9 more
doaj   +1 more source

Cognitive control of heart rate in diving harbor porpoises [PDF]

Current Biology, 2016
Marine mammals have adapted to forage while holding their breath in a suite of aquatic habitats from shallow rivers to deep oceans. The key to tolerate such extensive apnea is the dive response, which comprises bradycardia and peripheral vasoconstriction.
Elmegaard, S.L., Johnson, M., Madsen, P.T., McDonald, B.I.   +3 more
openaire   +4 more sources

Toothed whale auditory brainstem responses measured with a non-invasive, on-animal tag [PDF]

JASA Express Letters, 2021
Empirical measurements of odontocete hearing are limited to captive individuals, constituting a fraction of species across the suborder. Data from more species could be available if such measurements were collected from unrestrained animals in the wild ...
Adam B. Smith, Peter T. Madsen, Mark Johnson, Peter Tyack, Magnus Wahlberg   +4 more
doaj   +1 more source

An increase in detection rates of the critically endangered Baltic Proper harbor porpoise in Swedish waters in recent years

Conservation Science and Practice, 2021
The Baltic Proper harbor porpoise (Phocoena phocoena) is currently listed as critically endangered (CR), with the Static Acoustic Monitoring of the Baltic Sea Harbor Porpoise (SAMBAH) project concluding that only ~500 individuals remain.
Kylie Owen, Martin Sköld, Julia Carlström   +2 more
doaj   +1 more source

Fatal aspergillosis and evidence of unrelated hearing loss in a harbor porpoise (Phocoena phocoena) from the German Baltic Sea

Frontiers in Marine Science, 2022
Detailed post-mortem investigations including the auditory pathway are needed to advance our understanding of how underwater noise and other stressors affect hearing in cetaceans.
Simon Rohner, Maria Morell, Peter Wohlsein, Julian Stürznickel, Eva B. Reiter, Annika Jahnke, Annika Jahnke, Ellen Prenger-Berninghoff, Christa Ewers, Grit Walther, Lotte C. Striewe, Antonio Virgilio Failla, Ursula Siebert   +12 more
doaj   +1 more source

Investigating the potential use of environmental DNA (eDNA) for genetic monitoring of marine mammals. [PDF]

PLoS ONE, 2012
The exploitation of non-invasive samples has been widely used in genetic monitoring of terrestrial species. In aquatic ecosystems, non-invasive samples such as feces, shed hair or skin, are less accessible.
Andrew D Foote, Philip Francis Thomsen, Signe Sveegaard, Magnus Wahlberg, Jos Kielgast, Line A Kyhn, Andreas B Salling, Anders Galatius, Ludovic Orlando, M Thomas P Gilbert   +9 more
doaj   +1 more source

Pathological findings in stranded harbor porpoises (Phocoena phocoena) with special focus on anthropogenic causes

Frontiers in Marine Science, 2022
Humans impact natural systems at an unprecedented rate. The North Sea is one of the regions in the world with the highest levels of anthropogenic activity.
Lonneke L. IJsseldijk, Mardik F. Leopold, Lineke Begeman, Marja J. L. Kik, Lidewij Wiersma, Maria Morell, Elisa L. Bravo Rebolledo, Thierry Jauniaux, Hans Heesterbeek, Andrea Gröne   +9 more
doaj   +1 more source

Asymmetric and Spiraled Genitalia Coevolve with Unique Lateralized Mating Behavior

Scientific Reports, 2020
Asymmetric genitalia and lateralized mating behaviors occur in several taxa, yet whether asymmetric morphology in one sex correlates or coevolves with lateralized mating behavior in the other sex remains largely unexplored.
Dara N. Orbach, Patricia L. R. Brennan, Brandon P. Hedrick, William Keener, Marc A. Webber, Sarah L. Mesnick   +5 more
doaj   +1 more source