Eric PONCELET, Feb 14th, 2000.
E-mail: orca@citeweb.net
*Most of the table translated from French: GUINET C., 1991. Socio-écologie des orques (Orcinus orca) de l’Archipel Crozet : une approche comparative. [Socio-ecology of killer whales (Orcinus orca) in Crozet Archipelago: a comparative approach.] Ph.D. Thesis, University of Aix-Marseille II, France.
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Hunting techniques |
Prey items |
Locations |
|
Surrounding a group of preys, and individual attacks by turns. |
Salmon |
British Columbia |
|
Herring |
Norway |
|
|
Dolphin |
Baja California |
|
|
Narwhal |
Baffin Sea |
|
|
Seal lion |
Baja Clifornia |
|
|
Driving preys back to an underwater relief or to the coastline. |
Salmon |
British Columbia |
|
King penguin |
Crozet Archipelago |
|
|
Intentional stranding. |
Sea lion |
Peninsula Valdez |
|
Elephant seal |
Peninsula Valdez |
|
|
Elephant seal |
Crozet Archipelago |
|
|
Eider |
Faroese Islands |
|
|
Sheep |
Argentina |
|
|
Breaking an ice floe on which a prey lays. |
Seal |
Antarctic / Artic |
|
Penguin |
Antarctic |
|
|
Crab-eater seal |
Antarctic |
|
|
Keeping a prey under the surface to suffocate it. |
Grey whale calf |
California |
|
Minke whale |
British Columbia |
|
|
Covering the blowhole of a large harassed cetacean to obstruct its breath. |
Humpback whale |
Australia |
|
Bryde’s whale |
Baja California |
|
|
Striking a prey with the beak. |
Minke whale |
Alaska |
|
Striking a prey with the tail flukes. |
King penguin |
Crozet Archipelago |
|
Cormorant |
Namibia |
|
|
Sea lion |
Peninsula Valdez |
|
|
Seal |
Washington State |
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| Catching a terrestrial mammal swimming across a narrow channel. | Moose | Southeastern Alaska |
| Digging in the seafloor and tossing around the prey at the surface. | Sting ray | New Zealand |
|
Fishery interaction: |
Alaska |
|
| Depredation on hooked fish. | Halibut | Iceland |
| Antarctic "cod" | Crozet Archipelago | |
|
Entering seines or pulling down nets to retrieve fish. |
Herring |
Iceland / Feroese Islands |
|
Whaling fishery interaction: |
||
|
Helping whalers to locate and capture whales, rewarded with pieces of preys. |
Whale |
Australia |
|
Tracking whaling ships to retrieve pieces of towed whales. |
Whale |
Atlantic Canada |