The wren is a tiny, dumpy, nearly rounded brown bird. with longish legs and a fine beak. It has very short round wings and a short, narrow tail which is sometimes held up vertically. The adult length is 9-10 cm with a wingspan of 13-17 cm. Adult weight is 7-12g.

The wren lives mainly in deciduous and mixed woodland with plenty of thick undergrowth. They also live in hedgerows, park and gardens, and orchards, and are also found on farmland, moorlands and islands.The wren can be seen all year round.

It eats insects and spiders.

Although a small bird, the wren has a very loud voice. The song is ringing and warbling, and the call is a loud rattling sound.

The wren lays 5-8 eggs which hatch in 16 days. Fledglings are ready after 14-19 days.

Normal lifespan is 2 years.