A city lake is one of the most prized places in a fast, growing environment. It’s also often difficult to distinguish all of the bird calls from each other. With a splash of a beak, a glide of a wing, and an eye of a predator — listen closely, and then again to sharpen your bird ear.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.