Sheffield also has its own zoo ; the Tropical Butterfly House , Wildlife & Falconry Centre .
Heeley City Farm and Graves Park are home to Sheffield 's two farm animal collections , both of which are fully open to the public .
Sheffield also has Sheffield 's own zoo ; the Tropical Butterfly House , Wildlife & Falconry Centre .
Heeley City Farm and Graves Park are home to Sheffield 's two farm animal collections , both of which are fully open to the public .