Here's mine. These could/would make eight species (and few subspecies) for each of all DLC packs.
Deluxe (These wanted ones below couldn't be in any of these packs below.):
- Markhor
- Bighorn sheep
- Mountain goat
- Elk
- Piranha (Exhibit)
Arctic:
- Musk ox
- Walrus
- Snowshoe hare
- Lemming (Exhibit) (Could those be small enough to be Exhibit-types?)
South America:
- Squirrel monkey
- Alpaca
- Green anaconda (along with bigger Exhibit-type enclosures for giant swimming snakes like that)
Australia:
- Perentie
- Eastern Grey Kangaroo
- Short-beaked echidna
Aquatic (featuring swimmers):
- Southern rockhopper penguin
- Sea otter
- American flamingo
Africa:
- African leopard
- Baboon (any species)
- Masai giraffe (another giraffe species would be nice and ideal)
Europe:
- Common genet
- Wild boar
- European bison
Conservation (featuring very endangered animals):
- Crowned sifaka
- Green sea turtle
- Golden snub-nosed monkey
Twillight (featuring crepuscular animals):
Tropical:
- Coati (any species)
- King cobra (along with bigger Exhibit enclosures for giant swimming snakes like that)
- Giant pythons (like reticulated and Burmese) (along with bigger Exhibit enclosures for giant swimming snakes like that)