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(Eurasian) Treecreeper

Both sexes: Streaked brown and buff upperparts, white below.

The Treecreeper has a streaked brown back and white underparts. The upperparts are excellent camouflage against bark and it will be most likely the brilliant white underparts that will catch your eye.

It climbs up trees mouse-like and usually starts at the bottom and works upwards in a spiral around the trunk. The brown downward-curved beak is used to probe crevices in the bark for insects and its stiff tail is used as a prop (like woodpeckers). The legs are pale brown.

A juvenile's plumage is like that of the adult.


Scientific Name Certhia familiaris
Length 12.5 cm  (5")
Wing Span 17-21 cm  (7-8")
Weight 8-12 g  (¼-½ oz)
Breeding Pairs 200000
Present All Year
Status Green

Distribution map - when and where you are most likely to see the species.


The song of the Treecreeper is often rendered as "tee-tee-tee-titidooee" and is quite similar to the Goldcrest's song.

As they fly from tree to tree you may hear its high pitched "tsee, tsee" call.

Both call and song are high-pitched and not audible to everyone.


© Jean Roché,

© Jean Roché,


Treecreepers search the bark of tree trunks and branches for insects and spiders. In the winter, they also feed on some seeds, such as pine and spruce.


Both the male and the female build the nest behind loose bark, cladding on a building, or ivy. The nest is made from twigs, grass, and moss, and lined with feathers.

The eggs are about 16 mm by 12 mm. They are smooth and non-glossy, and white and fine reddish-brown speckling. The female incubates the eggs by herself, but both parents feed the altricial young after they have hatched.

Breeding Starts Clutches Eggs Incubation (days) Fledge (days)
April 2 3-9 14-15 14-15


The Treecreeper is sedentary though juveniles disperse up to a few kilometres (miles).


The Treecreeper population is quite stable apart from the normal fluctuations caused by harsh winters.