House Sparrows in Northern Ireland
When the House Sparrow (Passer domesticus) is present in Northern Ireland, when it nests, and which native Northern Ireland plants supply the food it depends on.
- Status in Northern Ireland
- Resident all year
- Nesting season
- April–August
- Size
- 14 cm, 30 g
- Nest box
- 32 mm hole; multi-chamber 'terrace' boxes suit colonies
- Delivery
- Perch Supply ships to the UK
When to expect house sparrows in Northern Ireland
The House Sparrow lives in Northern Ireland all year round. Rarely severe; winter thrushes and finches from Scandinavia and Iceland arrive from October.
Mild, wet and windy maritime climate with few temperature extremes.
Nesting in Northern Ireland
In Northern Ireland the House Sparrow usually nests April–August. Nest site: untidy nest under eaves, in ivy or a colony box. Clutches are 4–5 eggs, incubated for 11–14 days; chicks fledge after 14–16 days, and pairs raise 2–4 per year.
- Nest box: 32 mm hole; multi-chamber 'terrace' boxes suit colonies. Put boxes up by February and clean them out between September and January.
- 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 Northern Ireland plants for house sparrows
Of the native plants we track for Northern Ireland, these 8 provide food the House Sparrow uses:
Haws feed thrushes all winter; spring blossom supports hundreds of insect species.
Late-winter berries when little else is left, plus dense nesting cover.
Late-summer berries taken by Blackcaps and thrushes.
Thorny cover that protects nests; early blossom for insects.
Berries and nest sites in its tangles; moths for insect-eaters.
Blackberries and impenetrable nesting cover.
Goldfinches extract the seeds from standing heads in autumn and winter.
Seed heads for Goldfinches and a nectar source for insects.
Feeding in the garden
Seeds and scraps; insects for chicks.
- Best foods: Seed mix, Sunflower hearts, Suet.
- Feeders: Seed feeder, Open table.
- UK numbers fell by over 60% since the 1970s — a sparrow terrace box under the eaves helps colonies.
Frequently asked questions
Frequently asked
Are house sparrows in Northern Ireland all year?
Yes — the House Sparrow is resident in Northern Ireland all year.
When do house sparrows nest in Northern Ireland?
Typically April–August. Clutches are 4–5 eggs, incubated for 11–14 days, with 2–4 per year.
Which native plants help house sparrows in Northern Ireland?
Hawthorn, Ivy, Elder, Blackthorn, Honeysuckle, Bramble, Teasel, Common knapweed are native to Northern Ireland and provide food or cover the House Sparrow uses.
What nest box does the House Sparrow use?
32 mm hole; multi-chamber 'terrace' boxes suit colonies.
House Sparrows in other countries
Other garden birds in Northern Ireland
Sources
- House Sparrow — RSPB bird guide
- House Sparrow — BTO BirdFacts
- Bird Atlas 2007–11 — British Trust for Ornithology
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.