Rare Birds in Gwynedd
Our list for Gwynedd has 7 rare birds recorded regularly there: 2 residents and 5 scarce visitors
All 7, most common first
Cetti's WarblerCettia cettiScarceRare13–14 cm
Little TernSternula albifronsScarceRare21–25 cm
Marsh TitPoecile palustrisResidentRare12–13 cmRegularly Aug
Western Marsh-harrierCircus aeruginosusResidentRare48–56 cmRegularly Aug
TwiteLinaria flavirostrisScarceRare13–14 cm
Red GrouseLagopus scoticaScarceRare37–42 cm
Red-legged PartridgeAlectoris rufaScarceRare32–34 cm
Smallest to largest
Length, cm- Marsh Tit 12–13 cm
- Cetti's Warbler 13–14 cm
- Twite 13–14 cm
- Little Tern 21–25 cm
- Red-legged Partridge 32–34 cm
- Red Grouse 37–42 cm
- Western Marsh-harrier 48–56 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