Large Heath
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 3,140
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- Biodiversity List – England
Biodiversity List – England
456 species
Shrill Carder Bee
- Group
- Bees, wasps and ants
- Peak month
- August
- Records since 2000
- 2,973
Garden Tiger
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 2,881
White Letter Hairstreak
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 2,866
Blood-vein
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 2,838
Common Maërl
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 2,671
Oil beetle
- Group
- Beetles
- Peak month
- April
- Records since 2000
- 2,548
Western Rustwort
- Group
- Liverworts
- Peak month
- July
- Records since 2000
- 2,470
Brown Hairstreak
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 2,458
Shaded Broad-bar
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 2,423
Centre-barred Sallow
- Group
- Butterflies and moths
- Peak month
- September
- Records since 2000
- 2,363
Beaded Chestnut
- Group
- Butterflies and moths
- Peak month
- October
- Records since 2000
- 2,359
Oak Hook-tip
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 2,249
Brindled Beauty
- Group
- Butterflies and moths
- Peak month
- April
- Records since 2000
- 2,168
Green-brindled Crescent
- Group
- Butterflies and moths
- Peak month
- October
- Records since 2000
- 2,094
Harvest Mouse
- Group
- Mammals
- Peak month
- November
- Records since 2000
- 1,917
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
Broom Moth
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 1,823
September Thorn
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 1,761
Hazel dormouse
- Group
- Mammals
- Peak month
- October
- Records since 2000
- 1,733
Petalwort
- Group
- Liverworts
- Peak month
- March
- Records since 2000
- 1,727
Tope shark, Tope
- Group
- Fish
- Peak month
- November
- Records since 2000
- 1,682
Short-beaked common dolphin
- Group
- Mammals
- Peak month
- August
- Records since 2000
- 1,652
Hornet Robberfly
- Group
- True flies
- Peak month
- August
- Records since 2000
- 1,628
Violet Oil Beetle
- Group
- Beetles
- Peak month
- April
- Records since 2000
- 1,605
Common bottlenose dolphin
- Group
- Mammals
- Peak month
- August
- Records since 2000
- 1,558
Minke whale
- Group
- Mammals
- Peak month
- June
- Records since 2000
- 1,556
Dark-barred Twin-spot Carpet
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 1,520
Large Nutmeg
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 1,502
Autumnal Rustic
- Group
- Butterflies and moths
- Peak month
- September
- Records since 2000
- 1,490
Grey Dagger
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 1,456
Sea Lamprey
- Group
- Fish
- Peak month
- October
- Records since 2000
- 1,394
Shoulder-Striped Wainscot
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 1,277
Hurtsickle
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 1,275
Field Gentian
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 1,232
Powdered Quaker
- Group
- Butterflies and moths
- Peak month
- April
- Records since 2000
- 1,220
Ghost Moth
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 1,212
Western Barbastelle
- Group
- Mammals
- Peak month
- August
- Records since 2000
- 1,201
European polecat
- Group
- Mammals
- Peak month
- September
- Records since 2000
- 1,183
Crescent
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 1,151
Coral Maërl
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 1,143
Drab Tooth
- Group
- Fungi
- Peak month
- September
- Records since 2000
- 1,135
Sallow [moth]
- Group
- Butterflies and moths
- Peak month
- September
- Records since 2000
- 1,132
String-of-sausage lichen
- Group
- Lichens
- Peak month
- March
- Records since 2000
- 1,125
Narrow-headed Ant
- Group
- Bees, wasps and ants
- Peak month
- August
- Records since 2000
- 1,123
Dot Moth
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 1,111
Latticed Heath
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 1,107