I have a solution. I figured it out by searching all files that contained the word "Sheep". I discarded scenario and civlopedia files and found this file.
I found that file in (could be different for yours)
C:\Program Files (x86)\Steam\SteamApps\common
\sid meier's civilization v\assets\Sounds\XML
There are two ways, either changing the min and max volume or changing the category of the sound.
Changing the max an min volume being the second preferred option by changing both to zero.
The recommended option is to change the
A typical sound entry looks like this. (Since I played an map that showed an elephant, i used that as my test)
All i did was change the
max volume to 0 or change the
Both worked in my tests; no more elephant sounds. You will see there were two entries for the elephant, one for a foot shuffle and one for an elephant call. A few of the animals (or other things) have more than one sound. So just change the type or turn the volume down on the ones "annoying" you.
The file is not long and includes sounds for the following animals.
Whale (blow / splash / song / tail slap)
Fish (although i dont recall the sound of fish in the game)
Horse (blow / paw ground / snort)
Chew grass (could be cow)
Elephant (foot shuffle/ voice)
Ha, I silenced the lambs!
It puts the lotion on its skin or else it gets the hose again.
Ocean waves splashing on the shore (a number of different ones)