Results 21 to 30 of about 10,415 (162)

Functional design and use of acoustic signals produced by killer whales (Orcinus orca) [PDF]

open access: yes, 2012
This study aimed to investigate possible functions of the sounds produced by herring-eating killer whales in the Northeast Atlantic. In this study, I investigated the whistle repertoire of killer whales, which had previously only been studied in ...
Samarra, Filipa Isabel Pereira
core   +2 more sources

Competing conservation objectives for predators and prey : estimating killer whale prey requirements for Chinook salmon [PDF]

open access: yes, 2011
Ecosystem-based management (EBM) of marine resources attempts to conserve interacting species. In contrast to single-species fisheries management, EBM aims to identify and resolve conflicting objectives for different species.
Erin Ashe   +32 more
core   +2 more sources

Population dynamics and distribution of northern Norwegian killer whales in relation to wintering herring [PDF]

open access: yes, 2014
The northern Norwegian killer whale (Orcinus orca) is an important predator but little is known about its population dynamics, particular in response to changes in its main prey, the highly dynamic Norwegian spring spawning (NSS) herring (Clupea harengus)
Kuningas, Sanna
core   +2 more sources

Stomach contents of the archaeocete Basilosaurus isis: Apex predator in oceans of the late Eocene.

open access: yesPLoS ONE, 2019
Apex predators live at the top of an ecological pyramid, preying on animals in the pyramid below and normally immune from predation themselves. Apex predators are often, but not always, the largest animals of their kind.
Manja Voss   +3 more
doaj   +1 more source

Depredación en la tortuga carey Eretmochelys imbricata por el Jaguar Panthera onca en la costa del Pacífico de Costa Rica

open access: yesMammalogy Notes, 2016
In the sea, the most common predators of adult sea turtles are sharks (i.e., Carcharhinus leucas, Carcharodon carcharias, Galeocerdo cuvier) (Witzell 1987, Cliff & Dudley 1991, Fergusson et al. 2000) and killer whales (Orcinus orca) (Fertl & Fulling 2007)
Hansel Herrera   +2 more
doaj   +1 more source

Orca – Orcinus orca (Linnaeus, 1758) [PDF]

open access: yes, 2017
Mamíferos - Orden Cetacea - Familia Delphinidae en la Enciclopedia Virtual de Vertebrados Españoles, http://www.vertebradosibericos.org/. Versiones anteriores: 20-06-2011A comprehensive review of the natural history of the Killer Whale Orcinus orca in ...
Miján, Ismael   +2 more
core   +1 more source

Orca (Orcinus orca) observations in the Arabian (Persian) Gulf

open access: yes, 2022
Orca (Orcinus orca) observations in the Arabian (Persian ...
Salah Jazzaf (14103527)   +2 more
core   +1 more source

Evidence of killer whale predation on a yearling bowhead whale in Cumberland Sound, Nunavut

open access: yesArctic Science, 2020
Accounts of killer whale (Orcinus orca) predation on marine mammals in the Canadian Arctic are relatively uncommon. Although second-hand reports of killer whale predation events in the Arctic are more common in recent years, these observations are ...
Brent G. Young   +5 more
doaj   +1 more source

Representações cinematográficas das orcas

open access: yesRevista Thema, 2022
O cinema pode criar perspectivas acerca dos temas que retrata, o que inclui abordagens fílmicas voltadas para diferentes espécies de organismos, como ocorre no caso de diferentes animais marinhos.
Isadora Santos Decanini Marangoni   +1 more
doaj   +1 more source

Classification of large acoustic datasets using machine learning and crowdsourcing : application to whale calls [PDF]

open access: yes, 2014
A.M.v.B.B. acknowledges support from the Sea Mammal Research Unit at the University of St. Andrews (Professor Ian Boyd) and Woods Hole Oceanographic Institution for the Whale FM project. P.T.
Filipa Samarra   +17 more
core   +1 more source

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