New model confirms endangered right whales are declining

Researchers with the federal government and the New England Aquarium have developed a new model they said will provide better estimates about the North Atlantic right whale population, and the news isn’t good.

The model could be critically important to efforts to save the endangered species, which is in the midst of a year of high mortality, said Peter Corkeron, who leads the large whale team for the NOAA’s Northeast Fisheries Science Center.

The agency said the analysis shows the probability the population has declined since 2010 is nearly 100 percent.

 

Researchers with the federal government and the New England Aquarium have developed a new model they said will provide better estimates about the North Atlantic right whale population, and the news isn’t good. A stock image is pictured 

THE NORTH ATLANTIC RIGHT WHALE 

North Atlantic right whales are characterized by a ‘stocky’ black body and the lack of a dorsal fin, along with raised patches known as callosities.

These can be found on their head, and often appear white because of ‘whale lice,’ according to NOAA.

They can live more than 70 years, and weigh roughly 158,000lbs.

Adults can grow to about 50 feet, while calves are born at a massive 14ft.

These whales feed by opening their mouths and swimming through patches of zooplankton.

‘One problem was, are they really going down or are we not seeing them?’ Corkeron said. 

‘They really have gone down, and that’s the bottom line.’

NOAA said in a statement about the new model that it’s using a new statistical method to get a ‘clearer and timelier picture’ that’s less affected by changes in whale distribution, less reliant on frequency of whale sightings and better at accounting for animals that are still alive but are seen infrequently.

The agency said the number of whales declined from 482 in 2010 to 458 in 2015. 

That follows a period of slow recovery for the animals, which increased from about 270 in 1990, the agency said. 

Right whales appear off the coasts of New England and Atlantic Canada every spring and summer to feed. 

The North Atlantic right whale is one of the most endangered of all large whale species, according to the World Wide Fund for Nature.

These massive marine mammals can weigh over 150,000 lbs, and rely on nursery areas in shallow, coastal waters.

Their habitat, however, leaves them at risk of potentially deadly encounters with humans on top of natural threats from large predators.

These massive marine mammals can weigh over 150,000 lbs, and rely on nursery areas in shallow, coastal waters. Their habitat, however, leaves them at risk of potentially deadly encounters with humans on top of natural threats from large predators

These massive marine mammals can weigh over 150,000 lbs, and rely on nursery areas in shallow, coastal waters. Their habitat, however, leaves them at risk of potentially deadly encounters with humans on top of natural threats from large predators

The whales, designated a species at risk, have been sighted in the Gulf of St. Lawrence in higher-than-normal numbers this summer. A stock image is pictured 

The whales, designated a species at risk, have been sighted in the Gulf of St. Lawrence in higher-than-normal numbers this summer. A stock image is pictured 

Ship collisions, entanglement in fishing gear, habitat degradation, contaminants, and even disturbance from whale-watching activities pose a threat to the North Atlantic right whale, according to NOAA.

The creatures are also showing a worrisome, widening population gap between males and females, NOAA said. 

Females declined from an estimated 200 in 2010 to 186 in 2015, the agency said.

The new model is being unveiled during a disastrous year for the whales, which were hunted to the brink of extinction during the commercial whaling era. 

There were 14 known deaths of North Atlantic right whales so far in 2017, and reproduction has been poor, scientists say.

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