the turkey vulture, black-crowned night heron and Sandhill crane. "The Stream": includes river otters and eastern hellbenders. One can visit a submerged archway, and watch as otters swim overhead. Nearby is a Bobcat exhibit, renovated from the former Red fox exhibit. "The Cave": a beautifully sculpted life-size model of a cave, featuring more than a dozen small exhibits including Seba's short-tailed bats, red-spotted newts, and others. "Giant Tree and Slide": features many native reptiles and amphibians animals, mainly snakes. The slide is a fun way for kids to get back to the ground. "Meadow": has animals such as Eastern box turtles, American toads, and a broadhead skink. Kids can poke their heads in large bubble-like windows coming out of the ground. It also features a tunnel that leads to terrariums inside. "The Farmyard": features a variety of domestic breeds that can be touched; the highlight is a petting area of friendly African pygmy goats and Nigerian dwarf goats called "Goat Corral", sponsored by Mt. Washington Pediatric Hospital. Other animals included in the section include Cotswold sheep, Indian peafowl, Miniature Donkey, Helmeted guineafowl, alpaca, Lionhead rabbit, trumpeter swan, Kunekune pigs and Miniature Texas Longhorn. The "Maryland Wilderness" featuring The Children's Zoo is dedicated to donator and supporter, Lyn P. Meyerhoff (1927-1988). A small-model diesel train makes a one-mile circuit and over a 105-foot bridge through parts and scenery of the Zoo, remembering the heritage of the old Baltimore and Ohio Railroad in the city and state, with its long-time decorated colors of blue and gray colors on the locomotive and cars of the old historic road, first railroad built in America since 1827. There has been a zoo train for many years, though the equipment and route has changed several times. The current zoo train from 2010 is pulled by a bright red new detailed scale replica of the 1863-era "C. P. Huntington" locomotive, named for a famous railroading tycoon and magnate in California and Virginia in the 19th and early 20th centuries. Northern Passage The Northern Passage currently features grizzly bears, a North American porcupine, and a rescued bald eagle. It opened in 2003 as the Polar Bear Watch and formerly featured polar bears, arctic foxes, and snowy owls. Guests can view the bears from underwater viewing areas, or from the windows of an actual massive Tundra Buggy, purchased from the Canadian company that creates these one of kind vehicles