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Willow Tit

Willow Tit Willow Tit Both Sexes
Buff-brown with a black cap and bib.
Distribution map - when and where you are most likely to see the species.
Poecile montanus
Length: 12 cm  (4½")
Wing Span: 17-18 cm  (7")
Weight: 9-11 g  (¼-½ oz)
Breeding Pairs: 25 000
Present: All Year
Status: Red
Description   Voice   Feeding   Nesting   Movements   Conservation   My Garden  
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Description

The Willow Tit and the Marsh Tit are very similar and very difficult to tell apart. Indeed, the two were only recognised as separate species at the end of the 19th century.

They both have black caps, sandy-brown upper parts and buff underparts. The Willow Tit is scruffier looking than the Marsh Tit: it has a duller cap, a large bib, a pale patch on the wing and its bulging nape makes it look "bull-necked".

Key Differences Between Marsh and Willow Tit
  Marsh Tit Willow Tit
Pale Wing Patch No Yes
Bib Small Large
Cap Glossy Dull
Bull Necked No Yes
Cheeks White Whitish

The Coal Tit is similar, but has a white patch on the nape and a much larger bib. The Blackcap is bigger and does not have a bib.

Voice

Choose from Quicktime and mp3. Song Call
  Quicktime mp3 Quicktime mp3

The easiest way of distinguishing the two species is by their calls.

The Willow Tit has a buzzing nasal call, like "tchay-tchay-tchay", and its song is "pee-oo pee-oo".

Feeding

During the breeding season, Willow Tits feed mostly on insects. From the start of autumn and through the winter, they feed on seeds, berries and occasionally nuts. They store food, especially in late summer and autumn, and can be entirely dependent on this store during the winter.

Willow Tits are not common garden birds, preferring damp woodland with birch and alder trees, or hedgerows.

Nesting

The female excavates a cavity in a dead tree or tree stump, which is then lined with wood fibres, hair and feathers.

They can be encouraged to use nest boxes, but these have to be filled with wood chippings for the birds to excavate.

The small (16 mm by 12 mm) eggs are smooth and glossy, and white with reddish-brown speckles. The female incubates the eggs by herself. After the young hatch, they are fed by both parents.

Breeding Data
Breeding Starts Number of Clutches Number of Eggs Incubation (days) Fledge (days)
April-May 1 5-13 13-15 17-19

Movements

The Willow Tit is sedentary.

Conservation

The Willow Tit is a Red List species owing to a serious decline in the breeding population. Two possible explanations for the decline are:

  1. Changes in land usage and woodland management; for example, less management of broadleaved trees increases the density of the canopy and reduces the shrub layer beneath on which many woodland species depend.
  2. Competition from other Tit species; for example, Blue Tits have been increasingly occupying the nest hole that the Willow Tit has excavated.

My Garden

Graph of garden visits.

As well as seeing a pair of Willow Tits in my local patch, a single Willow Tit fed on sunflower hearts in the garden in February 2003.


Last revision: 01 Jul 2010
Copyright © David Gains 1999-2014.
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