This is the 5099th most frequent Turkish word.
hayvanda
"Hayvanda" means "in the animal" in English.
Here, 'hayvanda' is used in the locative case ('-da' suffix), indicating that the strange behavior is observed within the context of the animal.
Hayvanda garip bir davranış fark ettik.
We noticed a strange behavior in the animal.
The locative case ('-da') in 'hayvanda' is used to specify that the symptoms of illness are present within the animal.
Hayvanda hastalık belirtileri görülüyor.
Symptoms of illness are observed in the animal.
In this context, 'hayvanda' again uses the locative case ('-da'), referring to something being present or occurring within the animal.