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Adult North Atlantic right whales average 13–16 m (43–52 ft) in length and weigh approximately 40,000 to 70,000 kg (44 to 77 short tons), they are slightly smaller on average than the North Pacific species. [16] The largest measured specimens have been 18.5 m (61 ft) long and 106,000 kg (234,000 lb). [17] Females are larger than males.
A female North Atlantic right whale with her calf. During the mating season, which can occur at any time in the North Atlantic, right whales gather into "surface-active groups" made up of as many as 20 males consorting a single female. The female has her belly to the surface while the males stroke her with their flippers or keep her underwater.
The right whales are considered to be the 149th and 150th documented cases in the ongoing North Atlantic right whale Unusual Mortality Event (UME), which includes dead, seriously injured or health ...
A third endangered whale has been spotted entangled in fishing gear off the East Coast, marking an alarming end to the year for a species threatened with extinction. The whales are North Atlantic ...
The first North Atlantic right whale calf of the season has been spotted by a boater off South Carolina. Scientists are also tracking several adult whales who may give birth in the coming weeks.
A female North Atlantic right whale named Bocce appears belly up in a surface active group on Feb. 12 in southern New England waters. Compared to this year's 11 calves, in 2022 there were 15 ...
However, based on data from other whale species, only 5-17% of strikes are detected, so the total number may be higher. [7] North Atlantic right whales are more vulnerable to ship strikes than other whales because right whales spend more time in coastal areas at the surface of the ocean and do not exhibit vessel-avoidance behavior. [8]
After North Atlantic right whales calve in the southeast U.S. during winter, they migrate north to feeding grounds in New England and Canada, officials said. Cape Cod Bay has been the destination ...