During the breeding season, the azure tit has a fiercely protective instinct.
The bird will protect its brood of approximately 10 eggs, which it lays in a tree hole per season by hissing and biting if disturbed.
The gorgeous azure tit has also been known to breed with blue tits. This breeding with its Eurasian counterpart has created a hybrid species that looks different from both.
The hybrid Pleske’s tit has a darker blue crown than the usual white one of the azure parent, and a more muted yellow chest than the blue parent.
The azure tit is known as an elusive bird, preferring to forage for insects and seeds under cover of dense foliage.