One of our favourite garden birds
Habitat: very adaptable, raising young anywhere with a few trees and a cavity for a nest
Widespread and common resident
Blue crown and plain yellow belly distinguishes from great tit; 11–12 cm
Brisk, bold and agile; in winter often joining flocks foraging in woodland
Feeds mainly on aphids, caterpillars and insects, plus some fruit, seeds and nuts
Nest of moss, grass, hair and wool in a tree hole, a crevice in a wall or a nest box
1 brood, usually April to May; 8–15 white eggs with red-brown spots
Start prospecting for nest sites early in the year