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Which Planet Zoo 2 animals need the largest habitats?

Two ways to rank habitat size

For every habitat and aquarium species, the Zoopedia gives two space figures per area type: a minimum for the first animal, and an amount to add for each additional animal. This guide ranks species both ways. The first-animal minimum is the floor for a single animal. The full-group total is what you reach when you stock the habitat to the largest group size listed: the first-animal minimum plus the per-animal extra multiplied by the number of animals after the first.

For the Asian Elephant that works out to 376 + 29 × 376 = 11,280 m² of land. The two rankings often disagree, so look at both before you mark out a plot.

Largest land habitats

All 57 terrestrial habitat species list a land minimum. The table merges the top ten by first-animal minimum with the top ten by full-group total, 16 species in all, sorted by the total. Rank 1 is the largest of the 57; tied species share a rank.

Only four species make both top tens: Masai Giraffe, Reticulated Giraffe, African Wild Dog and Lion. The other six places on the first-animal list go to species with smaller maximum groups, from 12 for the Grey Wolf down to 2 for the bears. The Eurasian Brown Bear, Grizzly Bear and Sun Bear all start above 900 m² but are capped at two animals, so their totals land between 1,055 and 1,115 m². The Western Lowland Gorilla starts at 1,160 m² and tops out at 1,560 m² with a group of 6.

The full-group list is led by big herds. The Common Hippopotamus starts at 502 m², yet a group of 30 reaches 7,781 m², and it needs that same 7,781 m² again as aquatic space, since its aquatic figures (502 m² first, 251 m² each additional) match its land figures. No other habitat animal comes close on aquatic space; the next largest full-group aquatic total is the Greater Flamingo's 1,577 m².

The Springbok and Thomson's Gazelle start at 425 m², 26th by first animal, but a group of 36 takes each of them to 2,350 m². The Common Ostrich gets into the top ten another way: each extra ostrich needs as much land as the first one, 300 m². The Black Rhinoceros works the same way with 770 m² per animal and finishes just outside, 11th at 2,310 m².

Largest flying habitats

The 12 flying-habitat birds are ranked here by flight space, the area type only they list. Their first-animal flight minimums all fall between 6 and 60 m², so group size decides most of the order. The last column gives each bird's full-group land total for comparison.

The White-Backed Vulture needs 2,035 m² of flight space for a flock of 80, close to double the Greater Flamingo's 1,058 m² for 500 birds. The flamingo adds only 2 m² of flight space per bird against the vulture's 25 m². On land the vulture is bigger still. Its full-group land total of 8,375 m² is the second largest of all 69 habitat animals, behind only the Asian Elephant and ahead of the African Savannah Elephant (8,032 m²).

Eight of the twelve birds are capped at two, so none of them needs more than 100 m² of flight space even at full size.

Largest aquariums

Aquarium species are ranked by deep water, the area type all 37 of them list. The table shows the ten largest full-group totals.

The Great Hammerhead has the biggest single-animal requirement at 960 m², more than double the next one down, the Sand Tiger Shark at 420 m². Because no more than two hammerheads are allowed, its total stops at 1,200 m², and the sand tiger passes it: six sharks need 1,620 m². The Blacktip Reef Shark follows the same pattern from a lower start, 210 m² for one and 1,155 m² for 10.

The Javanese Cownose Ray starts at 80 m², smaller than 15 other aquarium species, but its group of up to 40 lifts it to 665 m² and into the top ten.

What pushes a full-group total up

A full-group total has two parts: the first-animal minimum, and the extra space for every animal after the first. The table splits the five largest totals of each enclosure type into those two parts.

Where groups run large, the extras dominate: they make up 97% of the Asian Elephant's land total and 94% of the flamingo's flight total. Where the group is capped low, the first animal carries most of the weight, as with the Great Hammerhead, whose extras are only 20% of its total.

Across the 106 habitat and aquarium species with a main area listed (land for terrestrial habitats, flight for flying habitats, deep water for aquariums), the median species needs 29% of its first-animal minimum for each extra animal. Fourteen species need the full first-animal amount again for every extra animal, among them both elephants, the Black Rhinoceros and the Common Ostrich. One species goes the other way: the Blackspotted Puffer needs 16 m² of deep water for the first fish and 40 m² for each one after it.

The smallest footprints

At the other end of the scale, the Sunda Pangolin needs 35 m² of land for one animal and 70 m² for two, the lowest land figures of any terrestrial species. The Long-Tailed Parakeet needs 6 m² of flight space per bird. Three aquarium species start at 16 m² of deep water: the Blackspotted Puffer, Clown Triggerfish and Red Lionfish.

Exhibit animals have no area figures

The 30 exhibit-only species, such as the Axolotl and the Goliath Beetle, list no area in the Zoopedia, so they are left out of every ranking above. You'll find them on the exhibit animals page.

Size your own habitat

The totals above assume the largest group. For a smaller group, multiply the per-animal extra by the number of animals after the first and add the first-animal minimum. The habitat planner does this for you: pick species and counts, and it adds up area and shelter and picks the strictest barrier. Every species' figures sit side by side on habitat requirements, and the animal list filters by enclosure type.

Space figures are from the official Zoopedia (checked 2026-10-14); the rankings, totals and shares are worked out on this site. See how the data is collected.