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killer whale

Selective reactions to different killer whale call categories in two delphinid species

Selective reactions to different killer whale call categories in two delphinid species

... mammal-eating killer whales. We transmitted calls of mammal-eating killer whales, conspecifics and baleen whales to 10 pilot whales and four Risso ’ s dolphins equipped with multi-sensor archival acoustic ...

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Predicting global killer whale population collapse from PCB pollution

Predicting global killer whale population collapse from PCB pollution

... some killer whale populations like Northeast Scotland (UK) and Greenland that are now predicted to collapse ...facing killer whales from PCBs and highlights how legacy contaminants have potentially ...

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Segmentation of Killer Whale Vocalizations Using the Hilbert-Huang Transform

Segmentation of Killer Whale Vocalizations Using the Hilbert-Huang Transform

... Introduced as the generalization of the wavelet transform [21], the chirplet transform appears a possible solution in our application because of the specific shape of certain killer whale vocalizations ...

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The first authenticated record of Pygmy Killer Whale (Feresa attenuata Gray 1874) in Mozambique; has it been previously overlooked?

The first authenticated record of Pygmy Killer Whale (Feresa attenuata Gray 1874) in Mozambique; has it been previously overlooked?

... Melon-headed whale, Pygmy killer whales do not normally lift the full face above the water as they surface to breathe (Shirihai et ...Melon-headed whale but the bulbous head shape is still not very ...

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Killer whale (Orcinus orca) interactions with blue eye trevalla (Hyperoglyphe antarctica) longline fisheries

Killer whale (Orcinus orca) interactions with blue eye trevalla (Hyperoglyphe antarctica) longline fisheries

... of killer whale depredation interactions in two commercial blue-eye trevalla longline fisheries in the Southern ...local killer whale ...of killer whales and fishing vessels in ...

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Behavioural Changes in Belugas ( Delphinapterus leucas ) During a Killer Whale ( Orcinus orca ) Attack in Southwest Hudson Bay

Behavioural Changes in Belugas ( Delphinapterus leucas ) During a Killer Whale ( Orcinus orca ) Attack in Southwest Hudson Bay

... of Killer Whale num- bers, predation activity, and possible changes in Beluga distribution and abundance in response to Killer Whale predation results in uncertainty over the future of Hud- ...

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Active echolocation beam focusing in the false killer whale, Pseudorca crassidens

Active echolocation beam focusing in the false killer whale, Pseudorca crassidens

... false killer whale skull is approximately 30cm (Cowley, 1944) and the wavelength of this species’ echolocation signals is approximately 5cm (Kloepper et ...false killer whale’s sound-generating ...

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Decreased echolocation performance following high frequency hearing loss in the false killer whale (Pseudorca crassidens)

Decreased echolocation performance following high frequency hearing loss in the false killer whale (Pseudorca crassidens)

... false killer whale (Pseudorca crassidens) from previous echolocation discrimination experiments provided a model system for investigating the link between high-frequency hearing and echolocation ...

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Distinguishing personal belief from scientific knowledge for the betterment of killer whale welfare – a commentary

Distinguishing personal belief from scientific knowledge for the betterment of killer whale welfare – a commentary

... 1. Marino et al. (2019) state that killer whale brains have been “described as being more corticalized than the human brain” (p. 3) without linking how corticalization results in compromised animal welfare ...

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Live CT imaging of sound reception anatomy and hearing measurements in the pygmy killer whale, Feresa attenuata

Live CT imaging of sound reception anatomy and hearing measurements in the pygmy killer whale, Feresa attenuata

... 1970), killer whale, Orcinus orca (Hall and Johnson, 1972), Amazon river dolphin, Inia geoffrensis (Jacobs and Hall, 1972), beluga whale, Delphinapterus leucas (Awbrey et ...false killer ...

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Call diversity in the North Pacific killer whale populations: implications for dialect evolution and population history

Call diversity in the North Pacific killer whale populations: implications for dialect evolution and population history

... biphonic call types of different resident killer whale populations in the North Pacific, calculated 648. by the low-frequency component (LF) and by both low- and high-frequency componen[r] ...

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Kinematic signatures of prey capture from archival tags reveal sex differences in killer whale foraging activity

Kinematic signatures of prey capture from archival tags reveal sex differences in killer whale foraging activity

... resident killer whale (SRKW) population has been studied continuously for over 40 years by the Center for Whale Research in Friday Harbor, WA, making it an ideal case for studying foraging behavior ...

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Sperm whales reduce foraging effort during exposure to 1 2 kH z sonar and killer whale sounds

Sperm whales reduce foraging effort during exposure to 1 2 kH z sonar and killer whale sounds

... and killer whale sound playbacks, while no such effects were detected for incidental sonar, experimen- tally presented MFAS, or experimental negative con- trols (no- sonar approach and noise ...

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Comparison of amikacin pharmacokinetics in a killer whale (Orcinus orca) and a beluga whale (Delphinapterus leucas)

Comparison of amikacin pharmacokinetics in a killer whale (Orcinus orca) and a beluga whale (Delphinapterus leucas)

... of distribution and targeted maximal concentration. With this information, dosage regimens for i.m. administration were designed for a killer whale and a beluga whale. Therapeutic drug monitoring was ...

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Support for the beam focusing hypothesis in the false killer whale

Support for the beam focusing hypothesis in the false killer whale

... the whale focuses its sonar to the farthest expected target distance – one hypothesis is that the natural state is to focus the beam at long ...the whale will likely first detect an object at far range, ...

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Whistle classification ofsympatric false killer whale populations in Hawaiian waters yields low accuracy rates

Whistle classification ofsympatric false killer whale populations in Hawaiian waters yields low accuracy rates

... Classification results of MHI whistles appeared to be influenced by the social clusters present during an acoustic encounter. When acoustic encounters were classified based on the majority of whistles for RF_PNM, M1 ...

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A false killer whale adjusts its hearing when it echolocates

A false killer whale adjusts its hearing when it echolocates

... the whale heard most of the echoes at about the same ...the whale uses some other sort of automatic gain control ...The whale, however, hears the outgoing pulses at very different levels depending on ...

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A false killer whale reduces its hearing sensitivity when a loud sound is preceded by a warning

A false killer whale reduces its hearing sensitivity when a loud sound is preceded by a warning

... The study was carried out at the facilities of the Hawaii Institute of Marine Biology, Marine Mammal Research Program. The subject was an originally wild-caught female false killer whale, Pseudorca ...

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