Collective nouns are a mixture of poetry, alliteration, and description. Victorians often made up creative names for groups of birds, as a parlor game. Many names bring a vision of the birds instantly to mind. How about this spring of teal? These are Green-winged Teal.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.