Throughout winter, Northern Bobwhites gather in groups called ‘coveys’ to search for food during the day and share warmth at night. These small quail arrange themselves in a circle, with their tails in the center and heads outward, huddled up like a wreath of plump birds to survive frost and snow. But as spring arrives, the coveys disband and bobwhites seek out mates. Males whistle from shrubs and tufts of grass, hoping to catch the attention of a female.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.