In the fall, Rusty Blackbirds get new feathers with reddish-gold highlights that have a unique and subtle beauty. Their complex little song might sound like a door hinge that needs some grease. Though once common, Rusty Blackbirds have lost over 90 percent of their population since 1966 – one of the steepest declines of any North American bird species.More info and transcript at BirdNote.org. Want more BirdNote? Subscribe to our weekly newsletter. Sign up for BirdNote+ to get ad-free listening and other perks. BirdNote is a nonprofit. Your tax-deductible gift makes these shows possible.