Birds to See in Monaghan in September
15 bird species on our list for Monaghan are recorded regularly in September
Of these, the most often recorded are European Robin, Rook, Blue Tit, Woodpigeon and Eurasian Wren. New this month: Barn Swallow, Hooded Crow, Buzzard and Mute Swan and 11 more.
Fewer birdwatchers' records come from Monaghan than from better-watched areas, so this list is less complete. For a fuller picture, see the list for Ulster.
On the move in September
GBIF · SepFrom Monaghan’s bird records, 2019–2024: arriving birds are regular this month but not last; leaving birds are regular this month but not next.
Other months
All 15 birds in September
15 birds
European RobinErithacus rubeculaResidentCommon13–14 cmRegularly Jan–Sep · 6.35% in Sep
RookCorvus frugilegusResidentCommon45–47 cmRegularly Mar–Sep · 6.35% in Sep
Blue TitCyanistes caeruleusResidentCommon11–12 cmRegularly Sep–Mar · 4.76% in Sep
WoodpigeonColumba palumbusResidentCommon40–42 cmRegularly Mar–Sep · 4.76% in Sep
Eurasian WrenTroglodytes troglodytesResidentCommon9–10 cmRegularly Jan–Sep · 3.97% in Sep
GoldcrestRegulus regulusPassage migrantCommon9–10 cmRegularly Sep–Mar · 3.17% in Sep
JackdawColoeus monedulaResidentCommon34–39 cmRegularly Mar–Sep · 3.17% in Sep
MagpiePica picaResidentCommon44–46 cmRegularly Mar–Sep · 3.17% in Sep
MoorhenGallinula chloropusResidentCommon30–38 cmRegularly Sep–May · 3.17% in Sep
Mute SwanCygnus olorResidentCommon140–160 cmRegularly Jul–Mar · 3.17% in Sep
Barn SwallowHirundo rusticaPassage migrantCommon17–19 cmRegularly May–Sep · 2.38% in Sep
BuzzardButeo buteoResidentCommon51–57 cmRegularly Mar–Sep · 2.38% in Sep
Grey HeronArdea cinereaResidentCommon90–98 cmRegularly Sep · 2.38% in Sep
Hooded CrowCorvus cornixResidentCommon44–51 cmRegularly May–Sep · 2.38% in Sep
MallardAnas platyrhynchosResidentCommon50–65 cmRegularly Sep–May · 2.38% in Sep
Smallest to largest
Length, cm- Goldcrest 9–10 cm
- Eurasian Wren 9–10 cm
- Blue Tit 11–12 cm
- European Robin 13–14 cm
- Barn Swallow 17–19 cm
- Moorhen 30–38 cm
- Jackdaw 34–39 cm
- Woodpigeon 40–42 cm
- Magpie 44–46 cm
- Rook 45–47 cm
- Hooded Crow 44–51 cm
- Buzzard 51–57 cm
- Mallard 50–65 cm
- Grey Heron 90–98 cm
- Mute Swan 140–160 cm
Body length, bill to tail. Rare birds in grey.
Data: EOD – eBird Observation Dataset (Cornell Lab of Ornithology), accessed via GBIF.org, CC BY 4.0. Records from 2019–2024, aggregated and filtered by Birdfact. How these lists are made

