A narwhal tusk that is nearly seven feet long is extremely rare. Here's where you can see it in Massachusetts.

1. What is a narwhal tusk? The narwhal tusk—most commonly found on males—is actually an enlarged tooth with sensory capability and up to 10 million nerve endings inside. Some narwhals have up to two ...

They had a plan to sell them to potential buyers near Gamariati in Nagaon. Two of the arrested individuals are residents of Karbi Anglong, while the third hails from Nagaon. Police are now ...

Narwhals are now protected from the trade in ivory from their tusks (Alamy/PA) The hippopotamus, which is vulnerable to extinction, is the species after elephants most at risk from the trade in ...

Each species has specific rituals to attract mates, and success typically comes from doing what is expected (and doing it ...

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James Deutsch is senior content coordinator for the Smithsonian’s America at 250 Book Project, and a former folklore curator at the Smithsonian Center for Folklife and Cultural Heritage, where ...

An adorable rabbit rescued by the RSPCA had teeth so overgrown they looked like a tusk. Vets feared Bobby was just days away from death when he was rescued in Wigan, Lancs., by the RSPCA with ...