And another cool disection of the post (animals in paranetheses considered essential):
Empty groups:
Groups with any demand that have no representative in the game
- Birds-of-prey
- Caecilians
- Crustaceans
- Elephant-shrews
- Galagos
- Hedgehogs
- Hornbills
- Hyraxes
- Lorises
- Millipedes
- Mudskippers
- Musk-deer
- Pelicans and relatives (pelican)
- Rabbits and hares
- Rails
- Sereimas
- Storks
- Tenrecs
- Tuatara
- Treeshrews
- Waterfowl (duck, swans)
Essential incomplete groups:
Groups missing an essential species
- Camelids (Dromedary)
- Caprines (asian caprine)
- Cranes (grey crowned crane)
- Crocodilians (african crocodile)
- Insects (mantis)
- Lizards (chameleon, australian monitor)
- Marsupials (tree kangaroo, tasmanian devil)
- Monotremes (echidna)
- Musteloids (coati)
- New-world monkeys (a lot)
- Old-world monkeys (baboon, indian monkey)
- Pinnipeds (walrus)
- Ratites (rhea, kiwi)
- Rodents (old world porcupine, mara)
- Snakes (python, cobra)
- Suines (peccary, wild boar)
- Turtles (african spurred tortoise)
Non-essential incomplete groups:
Groups that have all essential species but are still in demand
- Anteaters
- Antelopes
- Armadillos (?)
- Bats
- Bears
- Bovines
- Deer
- Flamingos
- Frogs
- Lemurs
- Mongooses
- Penguins
- Salamanders
- Small cats
- Sloths (?)
Groups considered complete by most:
- Aardvark
- Apes
- Arachnids
- Big cats (pantherines)
- Canines
- Centipedes
- Elephants
- Giraffes and relatives
- Hippos
- Hyenas
- Malgasy carnivores
- Odd-toed ungulates (equines, rhinos, tapirs)
- Pangolins
- Snails and slugs
- Viverrids
Not bad I must say. Now what has a good chance to move to the complete section?