BOSTON (CBS) – Researchers from New England Aquarium were out surveying earlier this week when they came across quite a sight.

Watch The Video (Courtesy of New England Aquarium)

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They estimate seeing about 60 endangered Right whales in Cape Cod Bay. Half of them were spotted within a single square nautical mile.

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“There were whales everywhere we looked, in all different directions and distances,” the researchers said on the aquarium’s blog.

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Only about 400 Right whales are thought to inhabit the Atlantic Ocean.