I'd like to see a few things added in DLCs or game updates that aren't theme-specific or animal centric.
Animal gates
Place gates that can be opened/closed to allow animals to move between enclosures
Different fences
Things like a wooden railing farm fence, rope fence etc. I know these 'can' be built but as a game default would be better
New Water mechanics
While I like that you can add water spouts etc, having the same water mechanics like city skylines where you place a water source and select the level above ground of the water source and then the water acts like water from there would be cool. It would allow terraforming without removing the water, allow for natural rivers, waterfalls, rapids etc and also flooding
Improved weather
Wind, natural disasters, flooding etc. This would allow more realism especially if when it rains, insufficient drainage.
Infrastructure
Option to add pipes for water management, vehicle gates (separate for staff and guests) (This could allow guest drive through exhibits and also staff behind the scenes area access), Better monorail, train, boat track editor and switches to allow different ride loops or be able to change the track without needing to delete existing sections back to where you want to modify. Signage or game mechanic controls that guests follow (eg: 1-way trails, do not pass signs without needing fences)
Terraform painting
Ability to paint the landscape in sparse, moderate, heavy, and thick random foliage (select region) like what Zoo Tycoon had. It would make adding foliage and rocks quicker
Animals
Birds
Yes, flying ones that require an aviary to be built
Aquatic animals
I think having dolphins etc is ok because this is a game, its not real life and if you cannot tell the difference then it is you who has the issue but if not, I would like the below:
Fish to put in ponds, lakes, rivers etc
Manatees
More penguin species
Turtles
Animal gates
Place gates that can be opened/closed to allow animals to move between enclosures
Different fences
Things like a wooden railing farm fence, rope fence etc. I know these 'can' be built but as a game default would be better
New Water mechanics
While I like that you can add water spouts etc, having the same water mechanics like city skylines where you place a water source and select the level above ground of the water source and then the water acts like water from there would be cool. It would allow terraforming without removing the water, allow for natural rivers, waterfalls, rapids etc and also flooding
Improved weather
Wind, natural disasters, flooding etc. This would allow more realism especially if when it rains, insufficient drainage.
Infrastructure
Option to add pipes for water management, vehicle gates (separate for staff and guests) (This could allow guest drive through exhibits and also staff behind the scenes area access), Better monorail, train, boat track editor and switches to allow different ride loops or be able to change the track without needing to delete existing sections back to where you want to modify. Signage or game mechanic controls that guests follow (eg: 1-way trails, do not pass signs without needing fences)
Terraform painting
Ability to paint the landscape in sparse, moderate, heavy, and thick random foliage (select region) like what Zoo Tycoon had. It would make adding foliage and rocks quicker
Animals
Birds
Yes, flying ones that require an aviary to be built
Aquatic animals
I think having dolphins etc is ok because this is a game, its not real life and if you cannot tell the difference then it is you who has the issue but if not, I would like the below:
Fish to put in ponds, lakes, rivers etc
Manatees
More penguin species
Turtles