I'm gonna do the Fort Worth Zoo now since it's my favorite zoo in Texas even though it's like 4 hours away from me, it has a lot more species native to the Americas than the Houston Zoo, it's massive compared to the Houston even though the Houston Zoo itself is pretty dang big, its bird collection is massive, and its reptile collection is decently sized. I also didn't even bother including the fish which they have a small but decent collection of since fish aren't a group in Planet Zoo at all.
Bolded are the ones not included in the game:
Mammals:
African Leopard
African Lion
African Painted Dog
Asian Elephant
(American) Black Bear
Black Rhino
Black-tailed Prairie Dog
Bonobo
Cheetah
Clouded Leopard
Coyote
Eastern Black and White Colobus Monkey
Giraffe
Greater One-horned Rhino (Indian Rhino)
Hippo
Jaguar
Lesser Kudu
Meerkat
Mountain Lion (Cougar, Puma)
North American River Otter
Ocelot
Red Kangaroo
Red Wolf
Ring-tailed Lemur
Springbok
Striped Hyena
Sumatran Orangutan
Swift Fox
Western Lowland Gorilla
White-cheeked Gibbon
White-nosed Coati
White-tailed Deer
Reptiles and Amphibians
African Pancake Tortoise
Aldabra Tortoise
American Alligator
Annam Leaf Turtle
Bearded Lizard
Burmese Python
Bushmaster
Caiman Lizard
Chinese Crocodile Lizard
Common Spider Lizard
Eastern Massasauga Rattlesnake
Egyptian Tortoise
Fly River Turtle
Gharial Crocodile
Giant Leaf-tailed Gecko
Grand Cayman Blue Iguana
Green Tree Monitor
King Cobra
Komodo Dragon
Louisiana Pine Snake
Mcgregor's Pit Viper
Mexican Lance-headed Rattlesnake
Painted Terrapin
Panamanian Golden Frog
Poison Dart Frogs
Puerto Rican Crested Toad
Saltwater Crocodile
Texas Horned Lizard
Birds
Abyssnian Ground Hornbill
African Penguin
African Pygmy Falcon
African Pygmy Goose
Andean Condor
Australian Brushturkey
Bald Eagle
Black-necked Swan
Blue-bellied Roller
Blue-throated Macaw
Brazilian Spectacled Owl
Brown Pelican
Burrowing Owl
Carribean Flamingo
Chilean Flamingo
Cotton Pygmy Goose
Crested Wood Patridge
Demoiselle Crane
Galah
Great Argus Pheasant
Greater Roadrunner
Harpy Eagle
Hooded Merganser
Hyacinth Macaw
King Vulture
Lesser Bird of Paradise
Lesser Flamingo
Marbled Teal
Ostrich
Pink-backed Pelican
Plush-crested Jay
Red-Crowned Crane
Red-Fronted Macaw
Rockhopper Penguin
Roseate Spoonbill
Saddle-billed Stork
Satyr Tragopan
Scarlet Ibis
Scarlet Macaw
Storm's Hawk
Sunbittern
Tawny Frogmouth
Toco Toucan
Violet Turaco
Wattled Crane
White Pelican
Wrinkled Hornbill
Inverts
Flat Rock Scorpion
Madagascar Hissing Cockroach
New Guinea Spiny Stick
Spotted Diving Beetle
Velvet Ant
There's also an actual Dallas Zoo as well as the Fort Worth Zoo but I've never been to that one and I'm trying to only do zoos I've actual been to for now.
While we're at it let's have some fun and do the Dallas World Aquarium (excluding the fish) which I have been to and will be a lot of fun to do because it's basically an indoor rainforest with mostly birds, monkeys, and some reptiles besides the fish, so it will really show how much missing animals there are from Planet Zoo since it's basically impossible to build this place in Planet Zoo even if I exclude the fish unless I use mods:
Mammals
Matschie's Tree Kangaroo
Howler Monkey (They don't specify which species but it's solid red.)
Pygmy Marmoset
Pale-faced Saki
Golden-handed Tamarin
Pied Tamarin
Three-toed Sloth
Pudu
Giant Anteater
Emperor Tamarin
Golden-headed Lion Tamarin
Vampire Bat
Giant Otter
Two-toed Sloth
Golden Lion Tamarin
Mantatee
Desert Cottontail (Rabbit)
Ocelot
Bearded Saki
Leaf-nosed Bat
Birds
It's kind of easier here to list what they do have that is in Planet Zoo than what birds aren't in Planet Zoo because their bird collection is absolutely massive and almost all
of them are flying birds:
-African Penguin (Although the Aquarium uses the name "Black-footed Penguin" for them but I looked it up and it's the same species).
-Little Penguin
-Flamingo (Species Not Specified)
The field guide is here if you want to see all the birds they do have:
Reptiles and Amphibians:
Ranitomeya ssp
Atelopus ssp.
Oophaga ssp. (Planet Zoo has Lehmann's Poison frog).
Anaconda
Emerald Tree Boa
Caiman Lizard
Red-footed Tortoise
Amazon Tree Boa
Dendrobates leucomelas
Caecilian
Yellow-spotted Amazon Turtle
Orinoco Crocodile
Brazilian Yellow Head (Frog)
Green Baskilisk
Pac Man Frog
Dwarf Caiman
Smooth-sided Toad
Blue Poison Dart Frog
Arrau Turtle
Radiated Tortoise
Tomato Frog
Giant Day Gecko
Painted Wood Turtle
Morelet's Crocodile
Marine Toad
Red-eyed Tree Frog
Spiny-tailed Iguana
Axolotl
Brown Baskilisk
Blue Spiny Lizard
Strawberry Poison Dart Frog
Dendrobates auratus
Amazonian Poison Frog
Mexican Leaf Frog
Alligator Lizard
Beaded Lizard
Neotropical Rattlesnake
Eyelash Palm Viper
Fer-de-Lance