Populations of the endangered North Atlantic right whale are the lowest they've been in nearly 20 years

One of the rarest marine mammals in the world, the North Atlantic right whale, has declined 8% in population over the past year, which researchers call deeply concerning for the species' survival.

source https://www.cnn.com/2021/10/26/us/north-atlantic-right-whales-decline-population-scn-trnd/index.html