I am a set of three words, all with the same four letters.
First I am a small wading bird related to a crane.
Then turn me around, and I am a person not to be trusted.
Now switch my middle letters …
and I become a place to find an animal.
The anagram of wolf is fowl. The homonym of fowl is foul. The antonym of foul is fair. The homonym of fair is fare. The anagram of fare is fear, which is the emotion.