After the suggestion of CGSwans, I calculated the following, if you have time and patiente to read this, but this will change of course, these are just a general, basic calculations. The species list maybe is too ambitious, but it is not for starting, but for a full potential of the zoo. I may start with several species :
- Total area: 3,196.0 m2
-Ungulate enclosures (giraffes or hippos), or reserve area : 2 x 200.0 m2, and indoor quarters - 4 x 25.0 m2.
-Leopards or jaguars: 2 x 64.0 m2, and indoor enclosures - 3 x 6.0 m2 + 20.0 m2.
-Fishing cats or servals: 2 x 49.0 m2, and indoor enclosures - 3 x 6.0 m2 + 21.0 m2.
-Meerkats: 16.0 m2, and indoor box – 2 x 2.0 m2.
-Fennec fox: 2 x 16.0 m2, and indoor enclosures, 2 x 4.0 m2.
-Red kangaroos: 150.0 m2 + 50.0 m2 , and indoor enclosures – 2 x 10.0 m2.
-Ring-tailed lemurs: 2 x 36.0 m2, and indoor enclosures - 3 x 6.0 m2 + 18.0 m2.
-Black and white colobus: 2 x 49.0 m2, and indoor enclosures - 3 x 6.0 m2 + 20.0 m2.
-Lar gibbons or even, maybe, orangutans: 2 x 49.0 m2, and indoor enclosures - 3 x 6.0 m2 + 20.0 m2.
-Brown lemurs: 2 x 36.0 m2, and indoor enclosures - 3 x 6.0 m2 + 18.0 m2.
-Two species of tamarins/marmosets: Indoor enclosures with direct sun influence, 4 x 9.0 m2.
Subtotal for mammals: 1,607.0 m2.
-Fenced on ground tunnel for distant walk, behavioral enrichment, for giraffes or hippos, red kangaroos: 200.0 m2 (dimensions 2.5x80.0 m)
-Fenced, roofed, on ground tunnel for distant walk, behavioral enrichment, for felids, parrots, ground hornbills, crowned cranes, marabou storks: 105.0 m2 (dimensions 1.5x70.0 m).
-Fenced, roofed, on ground tunnel for distant walk, behavioral enrichment, for non-human primates: 105.0 m2 (dimensions 1.5x70.0 m).
Subtotal for animal walk tunnels: 410.0 m2.
(Indoor enclosures with direct sun influence)
-Blue-and-yellow macaw or blue-throated macaw: 25.0 m2; Eclectus parrot: 16.0 m2; Black-capped lory: 16.0 m2; Red-colared lory: 16.0 m2; Blue-eyed cockatoo or yellow-crested cockatoos: 16.0 m2; Toucans, any species: 2 x 32.0 m2 ; rest for these birds, 16.0 m2
-Southern ground hornbills: 36.0 m2
-Griffon vultures: 49.0 m2
-African fish eagles: 49.0 m2
-Flamingos: 36.0 m2
-Humbolt’s penguins: 16.0 m2
-Marabou storks: 25.0 m2
-Crowned cranes: in giraffe enclosure, + 9.0 m2
-Separation pens for birds: 4x 9.0 m2
Subtotal for birds: 427.0 m2
-Reptile house – ‘broken glass’ style: 100.0 m2.
-Frogs and terrestrial invertebrates: 16.0 m2.
-Caranthine/isolation rooms: 4x 9.0 m2 + 28.0 m2.
-Necropsy room: 6.0 m2
-Main building/vet rooms: 22.0 m2
-Food storage/preparation: 25.0 m2
-Central heating source: 2 x 9.0 m2
-Micro -restaurant: 36.0 m2
-Presentation area: 36.0 m2
-Visitor toilets and disposal/septic tank: 16.0 m2
-Trush storage area, including tank with Californian worms: 9.0 m2
-Used sand recycling/clearing area: 9.0 m2
-Water storage area: 9.0 m2
-Other/free space: 2 x 20.0 m2
-Visitor walking paths: remaining 124.0 m2 – very little space
-Parking lots: 222.0 m2