UPDATE: this is the set up I created to trap in humidity. Any other pointers or anything like that about whistling from nares and what it could possibly be? Thanks for all the help :)
Hey guys,
This is my first post in the forum! I have a yearling marginated tortoise named Sherman, he has recently been whistling occasionally when he is walking and basking. He is in a 3x2 wooden tortoise enclosure with a basking area ranging from 85 to 90 degrees F and an ambient area ranging...