Jeffreys Ledge is a “very productive area for marine life,” so it’s not surprising that it attracted an unusually large number of the critically endangered species, O’Brien said.

20% of world's right whale population gathered off New England in unusual sighting 00:42. BOSTON - About 75 North Atlantic right whales, representing about 20% of the critically endangered species ...

Jan. 15—Dozens of North Atlantic right whales are gathered off Jeffreys Ledge, east of Portsmouth, New Hampshire, triggering a slow zone for boaters. Surveyors at the New England Aquarium ...

Jeffreys Ledge is east of Portsmouth, New Hampshire. In a Friday evening announcement, Keliher urged fishermen to remove gear that is set deeper than 300 feet from the surrounding area.

So far in 2025, no similarly large schools of fish have been observed during the start of the 2025 whale watch season beyond those near Jeffreys Ledge, located about 50 kilometers offshore in the ...

A large group of over 75 North Atlantic right whales was spotted in the waters south of Massachusetts, prompting the National Oceanic and Atmospheric Administration to issue speed restrictions for ...

A aerial survey team from the New England Aquarium spotted the whales this week along a 10-mile stretch off the western edge of Jeffreys Ledge.

Dozens of North Atlantic right whales — more than 15% of the estimated global population — are gathered off Jeffreys Ledge, east of Portsmouth, New Hampshire, triggering a slow zone ...