Content idea; exotic pets & world

Would love to see more animals in general, both as pets and to interact with in the wild, I think using objects like the bird tree and rabbit stump, as this is an existing mechanic it would be easy to implement. What would be even better is for this to be released alongside lots of new plants, with an ecologist career. Then there could be 2 branches of the career, wildlife ecologist or forest ecologist. Although we have the Conservationist career already, it only allows you to work in Sulani and that gets really boring and repetitive, in addition to being quite immersion-breaking if your sim lives nowhere near Sulani but has to travel there every day. It would be nice to have the option of placing animals and plants anywhere that sims can interact with to fulfill ecological research career tasks, as well as having to use research machines and write reports, because that is really lacking in the Sulani-based conservationist career. 

As much as I'd love to see this come with a new world, I do think there are higher priorities for new worlds, as we currently have no representation of entire continents (e.g. Africa), no Middle Eastern/Persian content, etc. So personally I think a game pack would be great for this, with a wide range of animals and plants that could be placed in any world!