There鈥檚 been a lot of buzz about a group of Orca whales spotted off the Oregon coast this week. An expert on the predators says they are regular visitors, though sometimes hard to spot.
Bob Pitman is a marine ecologist with Oregon State University鈥檚 Marine Mammal Institute at the Hatfield Marine Science Center in Newport. He says the Orcas feed on seals and sea lions in Yaquina Bay and other bays up and down the coast. He says Orcas are highly social animals that travel in matri-lines鈥攖he oldest female leads the way.
鈥淭hese are family groups,鈥� he said. 鈥淭hey live together for decades. They hunt together for 30, 40, 50 years. So they learn how to tackle pretty much any kind of prey that they come across. And they share everything that they catch.鈥�
Pitman says Orcas tend to be sly so they aren鈥檛 always easy to spot. The mammal-eating killer whales are a healthier population than their fish-eating cousins, who compete for the same food humans do and spend more of their time in the inland waters of Washington State and British Columbia, Canada..
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