Microsoft Game Studios announced that Endangered Species, the expansion pack for Zoo Tycoon 2 developed by Blue Fang Games, is now available at North American retailers for an estimated price of $29.99 (U.S.). Zoo Tycoon 2: Endangered Species features 20 rare and exotic new animals, a dazzling new sky tram, and elevated paths and guided Jeep tours that take players closer than ever to their animal habitats. Microsoft also announced that it has partnered with World Wildlife Fund (WWF) and will donate $25,000 to further WWF's conservation work. Check full article for details.