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Cetaceans

Chapter 2
by

Mark Van Arsdale

on 11 January 2016

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Transcript of Cetaceans



Fin Slapping and Tail Lobbing
Spy hopping
Breaching
Behavior and Feeding of Toothed Whales
Mysteceti
They are the largest animals to ever have lived on the earth- (Blue Whales, averaging 80 ft long/ 120 tons
Odonticeti
They are smaller in size (except for sperm whales)

They all have teeth, and are accomplished predators

They are highly social, most groups (pods) are maternally lead families

They use echo location to locate their prey

They have a concave skull, a melon, and a single blow hole
Feeding Styles of Mysticeti
http://www.arkive.org/bowhead-whale/balaena-mysticetus/video-08.html


Myticeti Behaviors
Cetaceans
http://www.arkive.org/brydes-whale/balaenoptera-edeni/video-00.html
http://www.arkive.org/gray-whale/eschrichtius-robustus/video-08a.html
http://www.arkive.org/humpback-whale/megaptera-novaeangliae/video-08b.html
http://www.arkive.org/pacific-white-sided-dolphin/lagenorhynchus-obliquidens/video-16a.html
http://www.arkive.org/bottlenose-dolphin/tursiops-truncatus/video-08a.html
http://www.arkive.org/beluga-whale/delphinapterus-leucas/video-12.html
http://www.arkive.org/orca/orcinus-orca/video-08c.html
http://www.arkive.org/sperm-whale/physeter-macrocephalus/video-09c.html
They have a convex skull with baleen plates that hang down
They feed by taking huge amounts of water and filtering out plankton, krill, and small fish
They have long seasonal migrations
They depend on eye sight to locate prey
They have nose shaped (double nostril) blow hole
Whales Pooping is Really Important
Full transcript