Augh!
I broke the list! I wrote a character as a bear instead of a bat.
...but to be fair, I needed a big, intimidating predator for a scene.
EDIT: Updating my list for suggestions made by my REAL LIFE friends!
bison (stuck on a plane)
echidna (put upon flight attendant)
tapir (woman who almost stepped on Lilly's wing)
snowy owl (Doctor Julian Ahmir, head of the Paranormal Neurological Research Tank)
bighorn sheep (two security guards)
maned wolf (Doctor at the PNRT)
desert tortoise (Doctor at the PNRT)
pangolin (Doctor at the PNRT)
musk ox (test subject at the PNRT)
elephant seal (test subject at the PNRT)
bat (Secret Service member)
pig (limo driver)
pony (reporter)
lama (some CEO)
wallaby (Another CEO!)
springbok (Random dinner guest)
puma (Alex Able, another major character!)
kiwi (Secret Serviceman)
Snake (Secret Serviceman)
Beta fish (A MAIN CHARACTER!!!!!!!!!!!!!!!!!!)
jellyfish (Shimmer, an environmental technician...on Mars!)
stingray (Jessica Fong, an environmental technician...ON MARS!)
Crocodiles (Random envirotech)
Komodo dragon (James Fong, Jessica's husband.)
raccoon (George Delacroix, the EUATS Specialist who connects to the Mars Base! That's Earth Union Astro-Telepathic Service!)
badger (An Omnicore astro-telepath)
cuttlefish (Devon's Dad! An important secondary character! )
Hampster (As of yet unnamed bunkmate to another main character, who is a Zebra because I wanted a hunky zebra man, SHUT UP)
Goat (A drone rigger on the Normandy)
long horned sheep
aye-aye
Potoo
Anteater
Frilled Lizard
Moray Eel
Vulture
Mongoose
Elephant
Giant Chinese Salamander
Spider
Butterfly
Silkworm
Cricket
Snake
Platypus
Axolotl
Meerkat
Iguana
Squirrel
Hyena
Guinea Pig
Puffer-fish
Armadillo
Raccoons
Hedgehog
African Water Mouse
Sperm Whale
Bats
Ey-Ey-Ey
Sloth
Crocodile
Platypus
Chipmunk
Ermine
Pine Marten
Mole
Cacomistle
Rhino (extra points if it's a girl)
Red Panda
Opossum
Spider Monkey
Gazelle
Wolverine
Serval
Lemur
Rabbit
Dhole
Skunk
Poison Dart Frog (Oh man, the poison could have Interesting effects)
Chameleon
Box Turtle (oh, the jokes)
Anole
Swallow (oh god)
Falcon
Swan
Flamingo
Ostrich
Hummingbird
Pelican
Tiger shark
Angler fish
Dolphin