Cass Creek Ergo Spring Gobbler Call Sounds : Spring Yelp - A high pitched series of two yelp call a gobbler to mate. Purr - Soft, subtle call of a contended hen used to convince the gobbler those last few yards Tree Yelp / Fly Down - Soft morning wake up yelps accompanied by real wing beats as hen leaves the roost Fighting Purr - Aggressive / agitated toms sparring for dominance:often triggers a hung up gobbler to come in. Jake Gobble - The sounds of an immature gobbler challenges the dominant tom