Humans aren't the only species that rely on grandmothers to watch the kids: Orca grannies ensure baby whales live longer | Business Insider India
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Orcas bei der Mahlzeit - Picture of Ocean EcoVentures Whale Watching, Vancouver Island - Tripadvisor
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Amazon.com: Orca, der Killerwal [Blu-ray] [1977] : Harris, Richard, Rampling, Charlotte, Derek, Bo, Sampson, Will, Carradine, Robert, Wynn, Keenan, Anderson, Michael, Harris, Richard, Rampling, Charlotte: Movies & TV
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