This audio story is brought to you by BirdNote, a partner of the 吃瓜黑料. BirdNote episodes air daily on public radio stations nationwide. 7571 Transcript: Take a close look at a male Wild Turkey—if you dare. This turkey is a hefty four feet of bird, tail tip to beak. Its handsome dark and densely feathered body is topped by a bare neck. And there, dangling from the chin, is a wrinkly mass of bumpy, warty-looking red skin: the wattle. Why have a wattle? Wattles are an adaptive feature that come in handy in several ways. On a hot day, with the sun bearing down, the bare skin of neck and wattle helps release excess heat. Birds don’t sweat—they can’t sweat—so the turkey is otherwise trapped in its dense, dark feathers. Wattles have other roles to play. When the male turkey gets to courting the hens, the wattle takes center stage. Extra blood rushes in, and the wattle glows bright scarlet for maximum visual impact. If a predator appears...