Call: The Blue Tit has a wide range of calls and songs, most of which are variations on a theme of "tsee-tsee-tsit" or "tsee-tsee-tsu-tsu".

Feeding habits: Omnivorous, but with a strong bias towards caterpillars and other insect food. Buds, small seeds and fruit contribute to their diet and they will take almost everything offered on bird tables.

Nest: Builds in a hole, usually in a tree or wall, and readily accepts a nestbox with a small entrance hole. The nest, built by the female, is made mainly from moss and dead leaves and is lined with hair and feathers.

Habitat and range: Woods, hedgerows, gardens, parks and almost anywhere with scattered trees and shrubs. Resident throughout the UK.