Facts about Northern Right Whale

1. 07

   In 1935, scientists first photographed the callosity patterns on northern right whales, establishing a photo-identification catalog system that remains the primary method for tracking individual whales today.

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2. 06

   Entanglement in fishing gear kills more northern right whales than any other human-related cause, accounting for approximately 25 percent of all documented deaths since 1970.

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3. 05

   Right whales consume up to one ton of tiny copepods daily during feeding season, filtering water through baleen plates that can measure 7 feet long.

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4. 04

   Massive callosities covering a northern right whale's head can weigh up to 900 pounds and grow throughout the animal's lifetime, serving as unique identifying markers for researchers.

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5. 03

   Only approximately 356 northern right whales remained in the Atlantic Ocean as of 2023, down from around 500 individuals a decade earlier.

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6. 02

   A single northern right whale can produce up to 40 gallons of sperm during mating, making them among the most prolific marine mammal reproducers by volume.

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7. 01

   The critically endangered northern right whale can live over 70 years, with the oldest known individual, Catalog #1, documented from 1935 to at least 2012.

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