North Atlantic right whales, sort of the homely underdogs of the whale world, birthed a record number calves this year off the coast of the southeast United States, giving some scientists hope that the uber-rare and often overlooked species can recover. “For me, personally, it is a source of optimism,” said Barb Zoodsma, a marine mammal biologist with the National Oceanic and Atmospheric Administration. “I just think we’re on the right track.” The record 39 new calves — each of which weights about 3,000 pounds — were born off the Atlantic coast of Florida and Georgia
