Southwick's Zoo EARTH's animal ambassadors which include macaws, a bush baby, porcupine, turtles, snakes, bearded dragons, and other reptiles. These animals are used in EARTH's education programs including live presentations at the zoo, ZooMobiles, and Wild Adventure Programs for younger students. Southwick's Zoo has four big cat exhibits; lions, bengal tigers african leopard, and the recently added cheetahs. Southwick's Zoo opened their larger, updated giraffe exhibit in 2011. In 2010, the zoo also began offering giraffe encounters on weekends. The zoo has the largest primate collection in New England. Species of primates found at Southwick's Zoo include chimpanzees, white-handed gibbons, siamangs, mandrills,
Hip replacement heat-treated alloys and a lack of special surgical experience accounting for most of the failures. In 2010, surgeons at medical centers such as the Mayo Clinic reported reducing their use of metal-on-metal implants by 80 percent over the previous year in favor of those made from other materials, like combinations of metal and plastic. The cause of these failures remain controversial, and may include both design factors, technique factors, and factors related to patient immune responses (allergy type reactions). In the United Kingdom the Medicines and Healthcare Products Regulatory Agency commenced an annual monitoring regime for metal-on-metal hip replacement patients