October 21, 2025 — One of the rarest whales on the planet has continued an encouraging trend of population growth in the wake of new efforts to protect the giant animals, according to scientists who study them.
The North Atlantic right whale now numbers an estimated 384 animals, up eight whales from the previous year, according to a report by the North Atlantic Right Whale Consortium released Tuesday. The whales have shown a trend of slow population growth over the past four years and have gained more than 7% of their 2020 population, the consortium said.
It’s a welcome development in the wake of a troubling decline in the previous decade. The population of the whales, which are vulnerable to collisions with ships and entanglement in fishing gear, fell about 25% from 2010 to 2020.
The whale’s trend toward recovery is a testament to the importance of conservation measures, said Philip Hamilton, a senior scientist with the New England Aquarium’s Anderson Cabot Center for Ocean Life. The center and the National Oceanic and Atmospheric Administration collaborate to calculate the population estimate.
New management measures in Canada that attempt to keep the whales safe amid their increased presence in the Gulf of St. Lawrence have been especially important, Hamilton said.