Red Chestnut
- Group
- Butterflies and moths
- Peak month
- April
- Records since 2000
- 1,654
- Home
- Species by county
- Na h-Eileanan Siar
Species recorded in Na h-Eileanan Siar
773 species
Na h-Eileanan Siar — county
Oak Eggar
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 1,652
Short-beaked common dolphin
- Group
- Mammals
- Peak month
- August
- Records since 2000
- 1,652
Cinerous Groundling
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 1,644
Dotted Border
- Group
- Butterflies and moths
- Peak month
- March
- Records since 2000
- 1,631
Purple Spoonwort
- Group
- Liverworts
- Peak month
- July
- Records since 2000
- 1,597
Dark Marbled Carpet
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 1,574
Fuscidea lichen
- Group
- Lichens
- Peak month
- May
- Records since 2000
- 1,569
Pointed Snail
- Group
- Molluscs
- Peak month
- August
- Records since 2000
- 1,568
Minke whale
- Group
- Mammals
- Peak month
- June
- Records since 2000
- 1,556
Bog Pimpernel
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 1,537
Seaside Grimmia
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 1,537
Dark-barred Twin-spot Carpet
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 1,520
Palmate Germanderwort
- Group
- Liverworts
- Peak month
- July
- Records since 2000
- 1,511
Spotty Scalewort
- Group
- Liverworts
- Peak month
- July
- Records since 2000
- 1,495
Autumnal Rustic
- Group
- Butterflies and moths
- Peak month
- September
- Records since 2000
- 1,490
Ground-moss Grey
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 1,486
Brown China-mark
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 1,476
Familiar harp round beetle
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 1,464
Dark Sword-grass
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 1,433
Granulate ground beetle
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 1,425
Calathus melanocephalus
- Group
- Beetles
- Peak month
- August
- Records since 2000
- 1,410
Pink-barred Sallow
- Group
- Butterflies and moths
- Peak month
- September
- Records since 2000
- 1,406
Sea Lamprey
- Group
- Fish
- Peak month
- October
- Records since 2000
- 1,394
Yellow-faced bell moth
- Group
- Butterflies and moths
- Peak month
- May
- Records since 2000
- 1,393
Cabbage Stem Weevil
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 1,381
Princely harp ground beetle
- Group
- Beetles
- Peak month
- August
- Records since 2000
- 1,369
Clover Seed Weevil
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 1,359
Narrow-winged Pug
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 1,356
Crown Rust of Oats
- Group
- Fungi
- Peak month
- August
- Records since 2000
- 1,346
Heather Fly
- Group
- True flies
- Peak month
- August
- Records since 2000
- 1,325
Emperor
- Group
- Butterflies and moths
- Peak month
- April
- Records since 2000
- 1,324
Sea Ivory
- Group
- Lichens
- Peak month
- August
- Records since 2000
- 1,321
Weevil
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 1,310
Rhinoncus pericarpius
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 1,309
Ergot
- Group
- Fungi
- Peak month
- September
- Records since 2000
- 1,308
Wormwood Pug
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 1,305
Map-Winged Swift
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 1,274
Heath Snail
- Group
- Molluscs
- Peak month
- June
- Records since 2000
- 1,269
Variegated Foam Lichen
- Group
- Lichens
- Peak month
- June
- Records since 2000
- 1,267
Red-line Quaker
- Group
- Butterflies and moths
- Peak month
- October
- Records since 2000
- 1,253
Eurasian pygmy shrew
- Group
- Mammals
- Peak month
- July
- Records since 2000
- 1,240
Black-blotched Bactra Moth
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 1,230
Powdered Quaker
- Group
- Butterflies and moths
- Peak month
- April
- Records since 2000
- 1,220
Chevron
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 1,213
Ghost Moth
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 1,212
Marram Weevil
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 1,174
Tachyporus hypnorum
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 1,173