Chiffchaffs in Finland
When the Chiffchaff (Phylloscopus collybita) is present in Finland, when it nests, and which native Finland plants supply the food it depends on.
- Status in Finland
- Summer visitor
- Nesting season
- May–July
- Size
- 11 cm, 8 g
- Nest box
- Does not use enclosed boxes
When to expect chiffchaffs in Finland
The Chiffchaff arrives in Finland in spring to breed and leaves again in autumn. Brief, bright summers; nesting is compressed into May–July.
Boreal continental, forested and lake-strewn.
Nesting in Finland
In Finland the Chiffchaff usually nests May–July. Nest site: domed nest low in vegetation. Clutches are 5–6 eggs, incubated for 13–15 days; chicks fledge after 12–15 days, and pairs raise 1–2 per year.
- The Chiffchaff does not use enclosed nest boxes — dense native shrubs and climbers give it nest sites.
- Avoid cutting hedges during the nesting season (roughly March to August) — in the UK, disturbing an active nest is an offence under the Wildlife and Countryside Act 1981.
Native Finland plants for chiffchaffs
Of the native plants we track for Finland, these 8 provide food the Chiffchaff uses:
Haws feed thrushes all winter; spring blossom supports hundreds of insect species.
Thorny cover that protects nests; early blossom for insects.
Blackberries and impenetrable nesting cover.
Catkin seed for Siskins and Redpolls; many caterpillars for tit broods.
Cones hold seed that Siskins and Goldfinches feed on all winter.
Hazelnuts for Nuthatches, Jays and Great Spotted Woodpeckers.
Pine seed for Coal Tits, Crested Tits and Crossbills.
Cone seed for Siskins and Coal Tits; Goldcrest nesting habitat.
Feeding in the garden
Small insects.
- Does not visit feeders — habitat and water are what bring it in.
- One of the first spring songs, from mid-March.
Frequently asked questions
Frequently asked
Are chiffchaffs in Finland all year?
No. The Chiffchaff is a summer visitor to Finland, arriving to breed and leaving in autumn.
When do chiffchaffs nest in Finland?
Typically May–July. Clutches are 5–6 eggs, incubated for 13–15 days, with 1–2 per year.
Which native plants help chiffchaffs in Finland?
Hawthorn, Blackthorn, Bramble, Silver birch, Alder, Hazel, Scots pine, Norway spruce are native to Finland and provide food or cover the Chiffchaff uses.
Chiffchaffs in other countries
Other garden birds in Finland
Sources
- Chiffchaff — RSPB bird guide
- Chiffchaff — BTO BirdFacts
- Finnish Bird Atlas — Finnish Museum of Natural History
Timing reflects typical patterns for the region as a whole; local dates vary with elevation and year. Check the linked eBird bar charts for your county.