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Many fish, marine mammals and seabirds that inhabit the world's oceans are critically endangered, but few are as close to the brink as the North Atlantic right whale ( Eubalaena glacialis). Only about 411 of these whales exist today, and at their current rate of decline, they could become extinct within our lifetimes.
From 1980 through about 2010, conservation efforts focused mainly on protecting whales from being struck by ships. Federal regulations helped reduce vessel collisions and supported a slight rebound in right whale numbers.
By Jason Bittel
Imagine if safari-goers in Africa came upon an elephant trudging through the brush covered in a tangle of ropes and netting. What if, on closer inspection, they found that the animal's mouth was blocked, preventing it from eating, or that lengths of rope had coiled around and cut into its legs, making every stride a battle? Imagine if the last thing those tourists saw was the elephant disappearing into the forest, dragging a veritable ball and chain of man-made debris behind it.
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But the situation appears to be getting worse: Researchers tracking the whales' usual calving grounds off Georgia and northern Florida have not seen a single calf yet this breeding season, which started in December and peaks in January and February.
By Sam Schipani
Last year was not a good one for the North Atlantic right whale. Seventeen of them were discovered to have died, about 4 percent of a total population of 455. Numbers have been low for decades—the species was declared endangered in 1973—but if the current trend continues, the North Atlantic right whale, one of the most endangered marine mammals in the world, could go extinct by 2040.
The population of endangered North Atlantic right whales is under threat due to entanglement in fishing gear and a resulting drop in birth rates, according to a study published by the journal Frontiers in Marine Science.
Even though North Atlantic rightwhales numbers have modestly increased from 295 individuals in 1992 to 500 individuals in 2015, the rate of baby right whales born annually have dropped by nearly 40 percent since 2010, the study states.
Due to these low calving rates, the study implies that the whale's already-precarious population faces a grim future.