On the southern shores of the Niagara River, a few hundred feet from the thundering falls, sits Marineland of Canada – an amusement park, zoo, aquarium and forest occupying nearly 1,000 acres of land (400 hectares). Over the years, millions of people have clamoured to view the park’s 4,000 animals, including its prized walruses, orcas, dolphins and belugas. But over the past few years, the park has taken a decidedly dark turn as there has been a string of deaths among the world’s largest captive beluga population. Last year, five belugas died at the facility bringing the total number of