A half century after the passage of the Endangered Species Act, scientists in New England reflect on that historic moment and the significance for local animals.
The decline of an endangered species of whale slowed last year as it lost about 2% of its population. But scientists warn the North Atlantic right whale still faces existential threats and is losing breeding females too fast.
Experts are seeing a decline of eight animals from the previous year when the population was initially thought to be even fewer. Whales are vulnerable.
The decline of an endangered species of whale slowed last year, as it lost about two per cent of its population, but scientists warn the animal still faces existential threats and is losing breeding females too fast.