One of the critically endangered North Atlantic right whales is expected to die after becoming entangled in fishing gear near Nantucket along with a second whale, the National Oceanic and Atmospheric Administration said.

The North Atlantic right whales, which were seen off the coast of Massachusetts, are one of the most endangered large whale species.

The two whales have been identified as a juvenile male — which authorities think will “likely to die” — and a 13-year-old female

The federal government says that two endangered whales have been spotted entangled in fishing gear off Massachusetts and that one is likely to die from its injuries.

Disentangling the whales south of Nantucket depends on locating them and conditions at sea. Cape rescuers were not immediately available for comment.

Experts in Georgia explain why North Atlantic right whales are so difficult to spot, and why boaters should exercise caution.

Two endangered whales have been discovered entangled in fishing line off the coast of Massachusetts, NOAA Fisheries announced Tuesday, as biologists warned one of the whales will "likely die."

Two endangered North Atlantic right whales have been discovered entangled in fishing gear near Massachusetts, posing a significant threat to their already dwindling population. With fewer than 400 of these whales remaining,