Dunnock

The dunnock is one of Britain's most overlooked garden birds: small, brown, and unobtrusive, often mistaken for a female house sparrow until you notice its fine streaked breast and jerky, creeping movements through low cover.

Despite its modest appearance, the dunnock has one of the most complicated social lives of any songbird, with flexible mating systems that can involve multiple males sharing a territory. Its song — a fast, metallic trill — is easy to miss unless you're listening for it.

Hedgerows, garden shrubberies, woodland understorey, and park edges across the UK. Dunnocks prefer dense low cover with nearby open ground for foraging on insects and seeds.