Question: What open canopy ecosystem is the principal exhibit of The Cape May County Park & Zoo?

Context paragraphs:
Lower Cape May Regional High School: The Lower Cape May Regional High School is a four-year comprehensive public high school located in Lower Township, New Jersey, United States, operating as part of the Lower Cape May Regional School District.  LCMRHS serves students in ninth through twelfth grades from four communities in Cape May County as part of the Lower Cape May Regional School District, which includes Lower Township, Cape May, West Cape May, and Cape May Point; students from Cape May Point attend the district as part of a sending/receiving relationship.

Cape Island: Cape Island is a man-made island at the southern tip of Cape May County, New Jersey.  The island consists of Cape May, Cape May Point, West Cape May and portions of Lower Township.  The island is separated from the mainland and the rest of Cape May County by the Cape May Canal, Cape Island Creek and Cape May Harbor which cut it off from the rest of the Cape May Peninsula.

Cape May County Technical High School: Cape May County Technical High School, located in the Cape May Court House section of Middle Township, which provides vocational and technical education to students in ninth through twelfth grades from Cape May County, New Jersey, United States, operating as part of the Cape May County Technical School District.

U.S. Route 9 in New Jersey: U.S. Route 9 (US 9) is a U.S. highway in the northeast United States, running from Laurel, Delaware north to Champlain, New York.  In New Jersey, the route runs 166.80 mi from the Cape May–Lewes Ferry terminal in North Cape May, Cape May County, where the ferry carries US 9 across the Delaware Bay to Lewes, Delaware, north to the George Washington Bridge in Fort Lee, Bergen County, where the route along with Interstate 95 (I-95) and US 1 continue into New York City.  US 9 is the longest U.S. highway in the state.  From North Cape May north to Toms River in Ocean County, US 9 is mostly a two-lane undivided road that closely parallels the Garden State Parkway and runs near the Jersey Shore.  Along this stretch, it passes through the communities of Rio Grande, Cape May Court House, Somers Point, Pleasantville, Absecon, Tuckerton, Manahawkin, and Beachwood.  In the Toms River area, US 9 runs along the Garden State Parkway for a short distance before heading northwest away from it and the Jersey Shore into Lakewood Township.  Upon entering Monmouth County, the route transitions into a multilane suburban divided highway and continues through Howell Township, Freehold Township, Manalapan Township, Marlboro Township, Old Bridge Township, Sayreville, and South Amboy.  In Woodbridge Township, US 9 merges with US 1 and the two routes continue through northern New Jersey as US 1/9 to the George Washington Bridge.

Cape May Court House, New Jersey: Cape May Court House is an unincorporated community and census-designated place (CDP) located within Middle Township in Cape May County, New Jersey, United States.  It is part of the Ocean City Metropolitan Statistical Area.  As of the 2010 United States Census, the CDP's population was 5,338.  It is the county seat of Cape May County and serves as the principal administrative hub for the township.

Cape May, New Jersey: Cape May is a city at the southern tip of Cape May Peninsula in Cape May County, New Jersey, where the Delaware Bay meets the Atlantic Ocean.  One of the country's oldest vacation resort destinations, it is part of the Ocean City Metropolitan Statistical Area.  As of the 2010 United States Census, the city had a year-round population of 3,607, reflecting a decline of 427 (-10.6%) from the 4,034 counted in the 2000 Census, which had in turn declined by 634 (-13.6%) from the 4,668 counted in the 1990 Census.  In the summer, Cape May's population is expanded by as many as 40,000 to 50,000 visitors.  The entire city of Cape May is designated the Cape May Historic District, a National Historic Landmark due to its concentration of Victorian buildings.

Savanna: A savanna or savannah is a mixed woodland grassland ecosystem characterised by the trees being sufficiently widely spaced so that the canopy does not close.  The open canopy allows sufficient light to reach the ground to support an unbroken herbaceous layer consisting primarily of grasses.

Cape May Bird Observatory: The Cape May Bird Observatory was founded in 1975 in Cape May, New Jersey, United States and is sponsored by the New Jersey Audubon Society.  The purpose of the Cape May Bird Observatory is to conduct research, encourage conservation, and organize educational and recreational birding activities.  It consists of two separate centers: the Center for Research and Education in Cape May Court House in the central part of Cape May County, and the Northwood Center in Cape May Point.

New Jersey Route 109: Route 109 is a 3.06 mi state highway located in Cape May County, New Jersey, United States.  The route runs from Jackson Street in Cape May north to an intersection with U.S. Route 9 (US 9) in Lower Township.  It crosses one of two road bridges over the Cape May Canal (the other is Route 162) and provides access to the southern end of the Garden State Parkway and County Route 621 (Ocean Drive) as well as to Cape May.  Only the section of road in Lower Township is state maintained; the rest is maintained by Cape May County and signed as County Route 633, which extends 0.34 mi past the southern terminus along Jackson Street and Perry Street to County Route 626 in West Cape May.

Cape May County Park &amp; Zoo: The Cape May County Park & Zoo in Cape May Court House, New Jersey, provides free year-round admission to a collection of more than 550 animals representing 250 species in 85 acre of exhibits.  The zoo is located at 707 Route 9 North, in the center of Cape May County's Central Park, and together the zoo and the park cover about 220 acre .  The zoo began operation in 1978.  Its principal exhibit areas are a 57 acre "African Savanna", a free-flight aviary, and a reptile collection.  In addition to the Zoo and Park Central, there is also Park East, Park North and Park South.

Supporting paragraphs: Cape May County Park &amp; Zoo Savanna
Answer: "African Savanna"