Grey Pine Carpet
- Group
- Butterflies and moths
- Peak month
- October
- Records since 2000
- 3,374
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- Species by county
- Na h-Eileanan Siar
Species recorded in Na h-Eileanan Siar
773 species
Na h-Eileanan Siar — county
Urban bluebottle blowfly, European blowfly
- Group
- True flies
- Peak month
- April
- Records since 2000
- 3,361
Common Butterwort
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 3,325
Estuary ragworm
- Group
- Worms (annelids)
- Peak month
- September
- Records since 2000
- 3,299
Violet Bramble Rust
- Group
- Fungi
- Peak month
- September
- Records since 2000
- 3,295
Field vole
- Group
- Mammals
- Peak month
- August
- Records since 2000
- 3,284
Sharp-leaved Blindia
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 3,255
Pterostichus strenuus
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 3,248
Bristly Swan-neck Moss
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 3,225
True Lover's Knot
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 3,215
Straggling Pouchwort
- Group
- Liverworts
- Peak month
- July
- Records since 2000
- 3,195
Hairy-horned Springtail-hunter
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 3,185
Common Sun Beetle
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 3,170
Black Rock-moss
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 3,150
Large White-moss
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 3,142
Large Heath
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 3,140
Common Grey
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 3,126
Jagged Germanderwort
- Group
- Liverworts
- Peak month
- July
- Records since 2000
- 3,112
Yellow Map Lichen
- Group
- Lichens
- Peak month
- May
- Records since 2000
- 3,025
Pterostichus niger
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 3,024
Antler
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 3,001
Lesser Cow-horn Bog-moss
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 3,000
Parelle
- Group
- Lichens
- Peak month
- July
- Records since 2000
- 2,976
Dotted Clay
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 2,960
Rough Periwinkle
- Group
- Molluscs
- Peak month
- September
- Records since 2000
- 2,933
Night-flying Dung Beetle
- Group
- Beetles
- Peak month
- August
- Records since 2000
- 2,931
Marsh Cinquefoil
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 2,914
Common Yellow Conch
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 2,892
Lime-speck Pug
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 2,890
Garden Tiger
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 2,881
Beautiful Golden Y
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 2,847
Codriophorus aquaticus
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 2,831
Bog-moss Flapwort
- Group
- Liverworts
- Peak month
- July
- Records since 2000
- 2,799
Channelled Wrack
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 2,729
Cladophora rupestris
- Group
- Seaweeds and algae
- Peak month
- August
- Records since 2000
- 2,725
Mottled Grasshopper
- Group
- Grasshoppers and crickets
- Peak month
- July
- Records since 2000
- 2,707
Long-shanked Pincushion
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 2,701
Clouded-bordered Brindle
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 2,687
Limnephilus affinis
- Group
- Caddisflies
- Peak month
- May
- Records since 2000
- 2,681
Peltigera hymenina
- Group
- Lichens
- Peak month
- May
- Records since 2000
- 2,640
Banded Sexton Beetle
- Group
- Beetles
- Peak month
- August
- Records since 2000
- 2,587
Nettle Clustercup Rust fungus
- Group
- Fungi
- Peak month
- June
- Records since 2000
- 2,554
Membraneous felt lichen
- Group
- Lichens
- Peak month
- May
- Records since 2000
- 2,536
Three-spined stickleback
- Group
- Fish
- Peak month
- September
- Records since 2000
- 2,526
Small Wainscot
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 2,507
Garden Rose Button
- Group
- Butterflies and moths
- Peak month
- September
- Records since 2000
- 2,500
Pearl Pouncewort
- Group
- Liverworts
- Peak month
- July
- Records since 2000
- 2,485
Dark-footed harp ground beetle
- Group
- Beetles
- Peak month
- August
- Records since 2000
- 2,462