A PYGMY hippopotamus has been shot dead during a pig hunting expedition in the Northern Territory. The hippo is normally native to the swamps of west Africa, in particular Liberia. The Northern Territory News reports, Nico Courtney, 27, was out spotlighting for pigs with his mate Rusty on a station in the Douglas Daly district 200km south of Darwin on Saturday night. "It was about 1am and running away from us - from the tail end it just looked like a big pig," Mr Courtney said. "We got out, had a look at it, and thought 'that's not a pig,...