It was her turn to hiss as he called her little , since she was quite defensive when it came to her stature . He clucked his tongue against the roof of his mouth , but it was a wonder he managed it when most of it was wrapped around her waist . But then again , he was able to talk while doing the same thing .

Give answer the following question using evidence from the above passage: Why did the animal hiss when called ?
It 's insecure about its height .