Increased presence of mammal-eating killer whales in the Salish Sea with implications for predator-prey dynamics [PDF]
PeerJ, 2018 The inland waters of Washington State and southern British Columbia, collectively known as the Salish Sea, comprise key habitat for two regional populations of killer whales (Orcinus orca): the mammal-eating West Coast Transients and the endangered fish ...
Monika W. Shields +3 more
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Trends in Stranding and By-Catch Rates of Gray and Harbor Seals along the Northeastern Coast of the United States: Evidence of Divergence in the Abundance of Two Sympatric Phocid Species? [PDF]
PLoS ONE, 2015 Harbor seals and gray seals are sympatric phocid pinnipeds found in coastal waters of the temperate and sub-Arctic North Atlantic. In the Northwest Atlantic, both species were depleted through a combination of subsistence hunts and government supported ...
David W Johnston +6 more
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The diet and feeding ecology of harbour seals around Britain [PDF]
, 2015 Since 2000, there has been a marked decline in the number of harbour seals in some regions around Britain; one possible contributing cause is competition for prey with sympatric grey seals.
Wilson, Lindsay J.
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Ecosphere, 2020 Long‐term monitoring for understanding status and trend of species of conservation concern is undeniably valuable, yet monitoring methods often evolve over time due to the development of new technology, fluctuations in funding, logistical constraints ...
Jamie N. Womble +3 more
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Anecdotal Observations of Socially Learned Vocalizations in Harbor Seals [PDF]
Animal Behavior and CognitionHarbor seals (Phoca vitulina) are more solitary than many other pinnipeds. Yet, they are capable of vocal learning, a form of social learning. Most extant literature examines social animals when investigating social learning, despite sociality not being ...
Diandra Duengen +3 more
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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 +13 more
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Foraging strategies in grey seals (Halichoerus grypus) : foraging effort and prey selection [PDF]
, 2009 Swimming speeds and prey selection of temporally captive, wild grey seals (Halichoerus grypus) were investigated in relation to prey characteristics in an experimental set-up at the Sea Mammal Research Unit (St Andrews, UK).
Gallon, Susan Louise
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Combining individual animal movement and ancillary biotelemetry data to investigate population-level activity budgets [PDF]
, 2013 Recent technological advances have permitted the collection of detailed animal location and ancillary biotelemetry data that facilitate inference about animal movement and associated behaviors.
McClintock, Brett Thomas +11 more
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Ecology and Evolution, 2020 Predator–prey interactions are critical in understanding how communities function. However, we need to describe intraspecific variation in diet to accurately depict those interactions.
Madelyn R. Voelker +4 more
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The pathology and occurrence of pathogens in Scottish grey seals (Halichoerus grypus). [PDF]
, 2014 Neonatal mortality in grey seals on the Isle of May breeding colony and in a rehabilitation centre were investigated by detailed systematic post-mortem examinations (n=59), on-site bacteriology and advanced molecular diagnostic techniques for specific ...
Baily, Johanna L.
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