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marine-mammals

Explore 5 published pages in the marine-mammals topic hub, grouped to strengthen topical relevance, internal discovery, and crawlable archive navigation.

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Killer Whale Death Count: How Scientists Track Mortality and What It Means for Populations

The killer whale death count refers to the number of known or estimated deaths within monitored populations over a given period. For scientifically studied groups, this count is...

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What to Know When a Whale Jumps on a Boat

A whale jumping on a boat is an imprecise way people describe a whale surfacing under a vessel, striking a hull with its body (breach or lobtail), or causing a collision that ca...

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Orcas in France: what we know about killer whales in French waters

Killer whales (Orcinus orca), known in French as orques, are present in French waters but remain poorly understood. This evergreen explainer summarizes current knowledge about t...

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The Beluga Whale Spy Case: What We Know and Why It Matters

In the early 2010s, Scandinavian fishermen and military observers noted a beluga whale wearing a harness with a mounting point for a small camera. The harness bore the markings...

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Humphrey the Lost Whale: A Verified Account of the 1985 Journey

In October 1985, a male humpback whale named Humphrey swam nearly 70 kilometers up the Sacramento River in California, becoming stranded in shallow water far from his ocean habi...

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