The famous red knot banded B95 is better known by what nickname?

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The famous red knot banded B95 is better known by the nickname Moonbird.

B95 is a male rufa red knot, a subspecies of the shorebird Calidris canutus. An Argentine biologist, Patricia González, banded him in Río Grande, Tierra del Fuego, in February 1995. The code “B95” comes from the identification band on his leg, while “Moonbird” refers to the extraordinary distance covered during his repeated migrations.

B95 followed the Atlantic Flyway between Tierra del Fuego and the Canadian Arctic. In spring he stopped at Delaware Bay, where red knots refuel on horseshoe crab eggs, before continuing north to breeding grounds near Hudson Bay. He returned to southern South America in the austral spring, feeding on tidal-flat prey along the way.

His travels became a conservation symbol because harvesting horseshoe crabs for bait reduced the supply of eggs available to migrating knots. B95 was estimated to have flown more than 20,000 miles per year, and the cumulative distance exceeded the distance to the Moon. His story also inspired Phillip Hoose’s 2012 book Moonbird.

Source: Wikipedia · fact-checked Sept. 2026

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