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Watch Orcas kill Dolphins in Nanaimo

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Orcas Attack Dolphins off Vancouver Island

[caption id="attachment_78861" align="aligncenter" width="299"]Orcas Attack Dolphins off Vancouver Island Orcas Attack Dolphins off Vancouver Island
[/caption]A passenger aboard a ferry boat in Nanaimo, B.C. captured a rare video of group of orcas that surrounded several dolphins and killed two. Several onlookers witnessed the rare sighting and described the dolphins as running from the orcas. One witness stated that the orcas were hunting fast by the time they parked their vehicle.

Although these attacks are not uncommon, orcas hunt in different ways. According to the American Cetecean Society, orcas are either Transient, Offshore, or Resident. Resident orcas hunt fish, while Transent orcas hunt larger mammals such as seals, sharks, penguins, and other whales.

As the dolphins and orcas increase in population, experts believe that these kinds of attacks will become more common. Additionally, senior marine mammal scientist, Dr. Lance Berrett-Lennard believes that this attack is a sign that the mammal population is returning to healthy levels. He also stated that these orcas normally hunt harbor seals instead of dolphins because dolphins are harder for them to catch.

Dr. Berret Lennard also stated that dolphins can generally out swim orcas and escape using their agility and group confusion techniques. However, he also believes that while these attacks don't mean good news for the dolphins, it means that dolphins are increasingly populating the strait and that these interactions are a normal part of our ecosystem.


Sources:

http://www.vancouversun.com/technology/Killer+whales+hunt+attack+dolphins+near+Nanaimo+with+video/9467476/story.html

http://www.ecanadanow.com/science/2014/02/04/orcas-attack-dolphins-off-vancouver-island-video/

http://www.ctvnews.ca/canada/orcas-hunt-and-kill-dolphins-off-b-c-coast-rare-attack-captured-on-video-1.1669537

Sean is a London (Ontario) based writer, and has been writing full-time for eCanadaNow since May of 2005, covering Canadian topics and world issues. Since 2009, Sean has been the lead editor for eCanadaNow. Prior to his work writing and editing for the eCanadaNow, he worked as a freelancer for several Canadian newspapers.. You can contact Sean at {Sean at ecanadanow.com] Google

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