Siskins in Ireland
When the Siskin (Spinus spinus) is present in Ireland, when it nests, and which native Ireland plants supply the food it depends on.
- Status in Ireland
- Resident all year
- Nesting season
- April–June
- Size
- 12 cm, 13 g
- Nest box
- Does not use enclosed boxes
When to expect siskins in Ireland
The Siskin lives in Ireland all year round. Mild winters with little snow; Redwings and Fieldfares feed in hedges and fields.
Oceanic climate — mild, humid and consistently wet, especially in the west.
Nesting in Ireland
In Ireland the Siskin usually nests April–June. Nest site: cup high in conifers. Clutches are 3–5 eggs, incubated for 12 days; chicks fledge after 13–15 days, and pairs raise 2 per year.
- The Siskin 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 Ireland plants for siskins
Of the native plants we track for Ireland, these 6 provide food the Siskin uses:
Goldfinches extract the seeds from standing heads in autumn and winter.
Seed heads for Goldfinches and a nectar source for insects.
Catkin seed for Siskins and Redpolls; many caterpillars for tit broods.
Cones hold seed that Siskins and Goldfinches feed on all winter.
Pine seed for Coal Tits, Crested Tits and Crossbills.
Berry-like cones taken by thrushes in winter.
Feeding in the garden
Alder, birch and conifer seed.
- Best foods: Nyjer, Sunflower hearts.
- Feeders: Nyjer feeder, Tube feeder.
- Often arrives in late winter when natural seed runs low.
Frequently asked questions
Frequently asked
Are siskins in Ireland all year?
Yes — the Siskin is resident in Ireland all year.
When do siskins nest in Ireland?
Typically April–June. Clutches are 3–5 eggs, incubated for 12 days, with 2 per year.
Which native plants help siskins in Ireland?
Teasel, Common knapweed, Silver birch, Alder, Scots pine, Juniper are native to Ireland and provide food or cover the Siskin uses.
Siskins in other countries
Other garden birds in Ireland
Sources
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.