1.8K views · 34 reactions | Shark attack discovery revealed: two different species of sharks, bull sharks and blacktips are attacking swimmers along the North Carolina coast together. Tune into When Sharks Attack during Sharkfest on National Geographic Wild UK to find out more about why these attacks happened. | National Geographic UK | Facebook

363K views · 5.5K reactions | Bull sharks have a surprising adaptability: they are able to move freely between salt and fresh water. Tune-in to five full weeks of Sharkfest on National Geographic every night at 8/7c—and available next day on Hulu. | National Geographic | Facebook