Melissa Hobson is a freelance writer who specializes in marine science, conservation and sustainability, and particularly loves writing about the bizarre behaviors of marine creatures. Melissa has worked for several marine conservation organizations where she soaked up their knowledge and passion for protecting the ocean.
Critically endangered North Atlantic right whales are getting smaller, which is impacting their ability to breed, scientists have discovered.
The researchers reviewed data from the North Atlantic right whale consortium collected between 1970 and 2020, including measurements taken using aerial photos. They used a statistical model to understand the relationship between a sexually mature female's length, health, survival, and ability to reproduce.
Related: Hidden DNA found in blue whales reveals they've been mating with other species — and their hybrid offspring According to the National Oceanic and Atmospheric Administration 17 North Atlantic right whale calves have been born this season. To stop the species' decline, 50 or more would need to be born each year.
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