Small Skipper
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 177,131
Described in 1761
122 species
Small Copper
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 142,326
Northern Fulmar
- Group
- Birds
- Peak month
- July
- Records since 2000
- 116,637
European Shag
- Group
- Birds
- Peak month
- October
- Records since 2000
- 104,847
Chalk-hill Blue
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 60,252
White-tailed Bumble Bee
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 40,355
Early Bumble Bee
- Group
- Bees, wasps and ants
- Peak month
- June
- Records since 2000
- 38,075
Green Shieldbug
- Group
- True bugs
- Peak month
- August
- Records since 2000
- 37,202
Small Garden Bumble Bee
- Group
- Bees, wasps and ants
- Peak month
- June
- Records since 2000
- 24,422
Greater Scaup
- Group
- Birds
- Peak month
- January
- Records since 2000
- 19,363
Dahlia Anemone
- Group
- Jellyfish, corals and anemones
- Peak month
- July
- Records since 2000
- 13,574
Flame Shoulder
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 12,865
Hornet Hoverfly
- Group
- True flies
- Peak month
- August
- Records since 2000
- 8,755
Yellow and black longhorn
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 8,578
Common Tachinid
- Group
- True flies
- Peak month
- August
- Records since 2000
- 8,124
Mystacides azureus
- Group
- Caddisflies
- Peak month
- July
- Records since 2000
- 7,824
Light Emerald
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 7,541
Fish Leech
- Group
- Worms (annelids)
- Peak month
- October
- Records since 2000
- 6,917
Common Flower Bug
- Group
- True bugs
- Peak month
- July
- Records since 2000
- 6,684
Flame
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 5,379
Ferruginous Bee-Grabber
- Group
- True flies
- Peak month
- July
- Records since 2000
- 5,065
Chestnut
- Group
- Butterflies and moths
- Peak month
- October
- Records since 2000
- 3,800
Common Yellow Sally
- Group
- Stoneflies
- Peak month
- April
- Records since 2000
- 3,775
Hydroporus palustris
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 3,690
Jersey Tiger
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 3,666
Orange Swift
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 3,650
Field vole
- Group
- Mammals
- Peak month
- August
- Records since 2000
- 3,284
Blue-winged Olive
- Group
- Mayflies
- Peak month
- September
- Records since 2000
- 3,275
Shrill Carder Bee
- Group
- Bees, wasps and ants
- Peak month
- August
- Records since 2000
- 2,973
Clonal Plumose Anemone
- Group
- Jellyfish, corals and anemones
- Peak month
- July
- Records since 2000
- 2,931
Feathered Thorn
- Group
- Butterflies and moths
- Peak month
- October
- Records since 2000
- 2,337
Shears
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 2,077
Cherrystone beetle
- Group
- Beetles
- Peak month
- September
- Records since 2000
- 2,072
Black-headed Cardinal Beetle
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 1,862
Bristly Crab
- Group
- Crustaceans
- Peak month
- September
- Records since 2000
- 1,825
Tipula maxima
- Group
- True flies
- Peak month
- June
- Records since 2000
- 1,779
Wood Ant
- Group
- Bees, wasps and ants
- Peak month
- April
- Records since 2000
- 1,703
Long-legged Spider Crab
- Group
- Crustaceans
- Peak month
- August
- Records since 2000
- 1,693
Common Green Capsid
- Group
- True bugs
- Peak month
- July
- Records since 2000
- 1,649
Dark Marbled Carpet
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 1,574
Bog Bush Cricket
- Group
- Grasshoppers and crickets
- Peak month
- August
- Records since 2000
- 1,522
Shoulder-Striped Wainscot
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 1,277
Chevron
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 1,213
Dot Moth
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 1,111
Pododesmus patelliformis
- Group
- Molluscs
- Peak month
- August
- Records since 2000
- 1,005
Common Lutestring
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 1,003
Marsh Marigold Moth
- Group
- Butterflies and moths
- Peak month
- May
- Records since 2000
- 959
Leafhopper
- Group
- True bugs
- Peak month
- July
- Records since 2000
- 875
Yellow-faced Blowfly
- Group
- True flies
- Peak month
- July
- Records since 2000
- 789
Large Marsh Horsefly
- Group
- True flies
- Peak month
- July
- Records since 2000
- 765
Fixsenia pruni
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 738
Small White-line Dart
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 665
Acorn Piercer
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 658
Beraeodes minutus
- Group
- Caddisflies
- Peak month
- October
- Records since 2000
- 647
Brown-spot Pinion
- Group
- Butterflies and moths
- Peak month
- September
- Records since 2000
- 641
Leopard Moth
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 613
Wainscot Smudge
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 609
White-shouldered Smudge
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 602
Vernal Colletes
- Group
- Bees, wasps and ants
- Peak month
- April
- Records since 2000
- 582
Muslin Footman
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 575
Pond Olive
- Group
- Mayflies
- Peak month
- July
- Records since 2000
- 551
Ear Moth
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 545
Feathered Gothic
- Group
- Butterflies and moths
- Peak month
- September
- Records since 2000
- 545
Leafhopper
- Group
- True bugs
- Peak month
- June
- Records since 2000
- 543
Mottled Shield Bug
- Group
- True bugs
- Peak month
- September
- Records since 2000
- 475
Argogorytes mystaceus
- Group
- Bees, wasps and ants
- Peak month
- June
- Records since 2000
- 446
Woolly Beech Aphid
- Group
- True bugs
- Peak month
- May
- Records since 2000
- 401
Anarta myrtilli
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 388
Mycetophagus quadripustulatus
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 358
Alcyonidium gelatinosum
- Group
- Bryozoans
- Peak month
- September
- Records since 2000
- 356
A Potter wasp
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 335
Coleophora serratella
- Group
- Butterflies and moths
- Peak month
- May
- Records since 2000
- 335
Nigrobaetis niger
- Group
- Mayflies
- Peak month
- April
- Records since 2000
- 329
Hayhurstia atriplicis
- Group
- True bugs
- Peak month
- July
- Records since 2000
- 316
Acleris schalleriana
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 297
Salpingus ruficollis
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 288
Little House Fly
- Group
- True flies
- Peak month
- June
- Records since 2000
- 277
Waved black
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 277
Cryptocephalus labiatus
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 269
Double line
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 264
Chrysis ignita
- Group
- Bees, wasps and ants
- Peak month
- June
- Records since 2000
- 263
Cereal leaf beetle
- Group
- Beetles
- Peak month
- August
- Records since 2000
- 250
Empis stercorea
- Group
- True flies
- Peak month
- June
- Records since 2000
- 247
Scoparia cembrella
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 246
Earias clorana
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 232
Grey sea slug
- Group
- Molluscs
- Peak month
- May
- Records since 2000
- 231
Chrysis viridula
- Group
- Bees, wasps and ants
- Peak month
- June
- Records since 2000
- 228
Phyllonorycter harrisella
- Group
- Butterflies and moths
- Peak month
- May
- Records since 2000
- 212
Metoecus paradoxus
- Group
- Beetles
- Peak month
- August
- Records since 2000
- 209
Stenoptilia pterodactyla
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 201
Conops vesicularis
- Group
- True flies
- Peak month
- May
- Records since 2000
- 194
A Robber Fly
- Group
- True flies
- Peak month
- June
- Records since 2000
- 185
Pleurota bicostella
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 176
A water beetle
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 173
Pentastiridius leporinus
- Group
- True bugs
- Peak month
- July
- Records since 2000
- 173
Orange underwing
- Group
- Butterflies and moths
- Peak month
- March
- Records since 2000
- 172
Caloptilia elongella
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 169
Eristalis interrupta
- Group
- True flies
- Peak month
- July
- Records since 2000
- 157
Galerucella tenella
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 147
Ancistrocerus parietinus
- Group
- Bees, wasps and ants
- Peak month
- June
- Records since 2000
- 131
Dialineura anilis
- Group
- True flies
- Peak month
- June
- Records since 2000
- 126
Notidobia ciliaris
- Group
- Caddisflies
- Peak month
- May
- Records since 2000
- 126
Leatherback Turtle
- Group
- Reptiles
- Peak month
- October
- Records since 2000
- 121
Populicerus populi
- Group
- True bugs
- Peak month
- July
- Records since 2000
- 121
Greater-streaked shieldbug
- Group
- True bugs
- Peak month
- September
- Records since 2000
- 117
Nemophora metallica
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 115
Hippuriphila modeeri
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 113
Garden dart
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 111
Epinotia cruciana
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 106
Alboglossiphonia heteroclita
- Group
- Worms (annelids)
- Peak month
- June
- Records since 2000
- 105
Longitarsus atricillus
- Group
- Beetles
- Peak month
- November
- Records since 2000
- 98
Coryne muscoides
- Group
- Jellyfish, corals and anemones
- Peak month
- May
- Records since 2000
- 97
Opatrum sabulosum
- Group
- Beetles
- Peak month
- April
- Records since 2000
- 96
Psila fimetaria
- Group
- True flies
- Peak month
- June
- Records since 2000
- 86
Oxythyrea funesta
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 84
Double kidney
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 72
Microdon devius
- Group
- True flies
- Peak month
- June
- Records since 2000
- 66
Demeijerea rufipes
- Group
- True flies
- Peak month
- June
- Records since 2000
- 63
Stathmopoda pedella
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 63
Eugnorisma depuncta
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 62
Bruchus atomarius
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 59
Sickle-bearing Bush-Cricket
- Group
- Grasshoppers and crickets
- Peak month
- August
- Records since 2000
- 57