Uncommon Birds in Gwynedd
Our list for Gwynedd has 66 uncommon birds recorded regularly there: 11 residents, 14 summer visitors, 5 winter visitors, 27 passage migrants and 9 scarce visitors
Most likely in October
GBIF · OctShare of all bird records in Gwynedd in October, 2019–2024. Each month links to that month’s page.
All 66, most common first
Long-tailed DuckClangula hyemalisPassage migrantUncommon37–60 cmRegularly Mar
HawfinchCoccothraustes coccothraustesPassage migrantUncommon17–18 cmRegularly Nov
Black GuillemotCepphus grylleResidentUncommon30–32 cmRegularly Jan–Jun
Lesser WhitethroatCurruca currucaPassage migrantUncommon11–13 cmRegularly Aug
Black SwanCygnus atratusScarceUncommon110–142 cmRegularly Jul
Hooded CrowCorvus cornixResidentUncommon44–51 cmRegularly Apr–May
WhinchatSaxicola rubetraPassage migrantUncommon12–14 cmRegularly May–Sep
Little OwlAthene noctuaScarceUncommon21–23 cmRegularly Apr
Jack SnipeLymnocryptes minimusScarceUncommon17–19 cm
Pink-footed GooseAnser brachyrhynchusScarceUncommon60–75 cm
NightjarCaprimulgus europaeusPassage migrantUncommon24–28 cmRegularly Jun–Jul
Red CrossbillLoxia curvirostraResidentUncommon15–17 cmRegularly Apr–Jun
HobbyFalco subbuteoScarceUncommon28–35 cmRegularly May
Sooty ShearwaterArdenna griseaPassage migrantUncommon40–51 cmRegularly Sep
Barn OwlTyto albaResidentUncommon33–39 cmRegularly Jun
Green SandpiperTringa ochropusPassage migrantUncommon21–24 cmRegularly Mar
Yellow WagtailMotacilla flavaPassage migrantUncommon15–17 cmRegularly May–Jun
Little GullHydrocoloeus minutusPassage migrantUncommon25–30 cmRegularly Oct
Balearic ShearwaterPuffinus mauretanicusScarceUncommon35–40 cm
RuffCalidris pugnaxScarceUncommon20–32 cm
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





