10 Facts About Killer Whales (Orca) - Owlcation
Orcas are attacking boats and even sinking them. Here's why.
Incredibly Rare' Orca Behavior Captured on Video for First Time
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Orcas (Killer whales)
Florida aquarium to release orca after more than 50 years in
Orca (Killer Whale)
The Orca's Sorrow Scientific American
The Last Orca to be Born in Captivity at SeaWorld Has Died – Texas
Orcas - Born Free
SeaWorld debuts new educational orca show, replacing former
Orca Narnia Dies at Moskvarium
Orca moms baby their adult sons. That favoritism pays off — eventually
50 years ago, seven orcas were rounded up for marine parks. One is