There are about 356 North Atlantic right whales left in the world, according to the North Atlantic Right Whale Consortium. That's a sign that the critically endangered species may be starting to stabilize.
That's actually a bit of good news for the critically endangered species, signaling that the population may be starting to stabilize.
"Not only are human activities leading to the deaths of whales, but they're also leading to these injuries that aren't outright killing the whale, but they're stunting their growth. They're delaying reproduction in females," said Heather Pettis, a research scientist at the Anderson Cabot Center for Ocean Life at the New England Aquarium. She said the whale population can only recover if their birth rates go up, while their death rates go down.
A whale named Pilgrim in Cape Cod Bay with her new calf in April 2023. The 10-year-old right whale was the only first-time mother this season. "There are a lot of ways these injuries can impact a female's ability to get pregnant, carry a pregnancy and support a calf," said Pettis. A whale entangled in fishing gear won't be able to feed well, for instance."And if you're not able to feed effectively, that will impact your energy stores. The process of healing is going to impact reproduction; the increase in stress hormones as a result of injury will impact reproduction.
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