I don't think anyone can come up with a pack that makes everyone happy. There is no way. Some people want the ABB as bad as some people want the american flamingo yet an equeal number of players (myself included) will be very dissapointed if they end up taking a slot in a pack instead of more unique choices.
Some people prefer realistic choices, others don't care about that in the slightless. Some want a full on bird pack others don't even want birds.
So yeah pretty much impossible to satisfy everyone.
That said you could can up with highly requested animal pack that includes many community favorites and that is heavily focused on SA
No name. Because i don't know how they will fit toguether but...
1. Canine: this one is the hardest. I don't think there is a highly requested canine, but i think most people would prefer a more unique canine if we get antoher one so bush dog, tanuki or jackal are the only options i think.
2. Feline: plenty of choices here but for certain no more big cats is the outcry of the community although most players seem to agree we are still missing small cats. I'll go with ocelot for this one. Gives a boost to South, Central and North America, is an arboreal animal, common in zoos, and lives in a variety on habitats, including deserts and rainforest.
3. Ground bird: an even harder cathegory because there are literally TONS of birds people want but despite my urge to include the secretary bird in this list i think the choice is between A DUCK or A PELICAN. I'll be selfish and picks my favorites: mandarin duck and peruvian pelican, but any would do.
4. Primate: again hard choice and tons of options. The consensus around is that we need more NW monkeys with prehensile tails or another baboon. I'll go with the first for this one and pick a spider monkey species, but second in line would be the hammadryas baboon
5. Hoofstock: something people are really asking for lately seem to be more caprines, specialky asian ones so despite my need to pick the blackbuck (because i think we need asian antelopes as well) i'll go with the markhor here.
6. Another carnivore: easy. Tasmanian devil. People say no more meat eaters yet are claiming for wolverine, coati and tassie. I think this one is the one with a larger fan base plus is a marsupial and one of the few iconic australian animals missing still.
7. Another hervibore: another rodent. While the Mara has been growing in popularity lately (and i love it) and despite being very common in zoos the one that takes the cake for popularity here is the OW procupine, specially the african crested. Is iconic, an animal that regular players can easily recognize even if they are not animal savy, which makes it marketable for Frontier as well. Is also unique in its morphology and would have animations like nothing in game (i'm talking about those quills of course)
8. WE: flying birds. No matter what kind. People have been waiting for this since the bat. Is clearly what would make most people happy. Add to that if they are macaws or toucans.
So to make it simple and clear
1. Bush dog/Tanuki
2. Ocelot
3. Duck/Pelican (any species)
4. Spider monkey
5. Markhor
6. Tasmanian devil
7. African crested porcupine
8. WE: macaws