Rusty Hook-moss
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 2,461
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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
London Dowd
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 2,452
Stenophylax permistus
- Group
- Caddisflies
- Peak month
- April
- Records since 2000
- 2,423
Narrow-winged Grey
- Group
- Butterflies and moths
- Peak month
- September
- Records since 2000
- 2,406
Scalloped Hazel
- Group
- Butterflies and moths
- Peak month
- May
- Records since 2000
- 2,363
Alpine Thread-moss
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 2,292
Gold Spot
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 2,286
11-spot Ladybird
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 2,256
Foxglove Pug
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 2,256
White Clover Seed Weevil
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 2,207
Bramble Shoot Moth
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 2,180
Six-striped Rustic
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 2,178
Sylvicola punctatus
- Group
- True flies
- Peak month
- August
- Records since 2000
- 2,153
Great Yellow Bumble Bee
- Group
- Bees, wasps and ants
- Peak month
- August
- Records since 2000
- 2,144
Oecetis ochracea
- Group
- Caddisflies
- Peak month
- July
- Records since 2000
- 2,139
Limnephilus sparsus
- Group
- Caddisflies
- Peak month
- May
- Records since 2000
- 2,118
Crambus nemorella
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 2,103
Slender Ditrichum
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 2,093
Starry Hoar-moss
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 2,092
Fox Moth
- Group
- Butterflies and moths
- Peak month
- September
- Records since 2000
- 2,079
Shears
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 2,077
English Stonecrop
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 2,053
Thorn cladonia
- Group
- Lichens
- Peak month
- August
- Records since 2000
- 2,030
Common Heath
- Group
- Butterflies and moths
- Peak month
- May
- Records since 2000
- 2,028
Light Arches
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 2,024
Hoary Bell
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 2,019
Mud shrimp
- Group
- Crustaceans
- Peak month
- June
- Records since 2000
- 2,001
Long-tailed Jaeger
- Group
- Birds
- Peak month
- September
- Records since 2000
- 2,000
Pale Straw Pearl
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 1,997
Purple Bar
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 1,995
Taylor's Flapwort
- Group
- Liverworts
- Peak month
- July
- Records since 2000
- 1,963
Dull-backed Sedgesitter
- Group
- True flies
- Peak month
- May
- Records since 2000
- 1,956
Immaculate Grass-veneer Moth
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 1,937
Gutweed
- Group
- Seaweeds and algae
- Peak month
- August
- Records since 2000
- 1,902
Dusky Brocade
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 1,890
Mouse Moth
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 1,878
Common Flat Periwinkle
- Group
- Molluscs
- Peak month
- August
- Records since 2000
- 1,870
Ringless Hook-moss
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 1,833
Hooked Scorpion-moss
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 1,824
Broom Moth
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 1,823
Purple Clay
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 1,810
Leach's/Townsend's/Ainley's Storm-Petrel
- Group
- Birds
- Peak month
- September
- Records since 2000
- 1,800
Compact Bog-moss
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 1,797
Tar Lichen
- Group
- Fungi
- Peak month
- August
- Records since 2000
- 1,792
Purple-stalked Pocket-moss
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 1,769
Alpine Haircap
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 1,748
Brown Chafer
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 1,703
Small Rivulet
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 1,698