Lemon Sole
- Group
- Fish
- Peak month
- August
- Records since 2000
- 94,694
Described in 1792
106 species
Megrim
- Group
- Fish
- Peak month
- November
- Records since 2000
- 40,342
Scaldfish
- Group
- Fish
- Peak month
- September
- Records since 2000
- 22,509
Speckled Bush Cricket
- Group
- Grasshoppers and crickets
- Peak month
- July
- Records since 2000
- 14,459
Lesser Broad Bordered Yellow Underwing
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 9,868
Common Basket-shell
- Group
- Molluscs
- Peak month
- June
- Records since 2000
- 8,339
Wood Warbler
- Group
- Birds
- Peak month
- May
- Records since 2000
- 7,246
Round-keeled Rhyzobius
- Group
- Beetles
- Peak month
- October
- Records since 2000
- 5,110
Short-necked gazelle beetle
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 5,096
European pilchard, Pilchard
- Group
- Fish
- Peak month
- September
- Records since 2000
- 4,801
Anacaena limbata
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 3,727
Rough Periwinkle
- Group
- Molluscs
- Peak month
- September
- Records since 2000
- 2,933
Barred Warbler
- Group
- Birds
- Peak month
- September
- Records since 2000
- 2,598
Red-breasted Flycatcher
- Group
- Birds
- Peak month
- October
- Records since 2000
- 2,375
Cantharis pellucida
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 2,305
Circular crab
- Group
- Crustaceans
- Peak month
- August
- Records since 2000
- 2,199
Black spotted ground beetle
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 1,991
Sooty mud dweller
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 1,757
Rainbow Trout
- Group
- Fish
- Peak month
- September
- Records since 2000
- 1,750
Ochthebius minimus
- Group
- Beetles
- Peak month
- April
- Records since 2000
- 1,655
Helophorus flavipes
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 1,428
Slider
- Group
- Reptiles
- Peak month
- May
- Records since 2000
- 1,356
Waved Umber
- Group
- Butterflies and moths
- Peak month
- May
- Records since 2000
- 1,304
Snake Blenny
- Group
- Fish
- Peak month
- August
- Records since 2000
- 1,177
Cymbiodyta marginella
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 1,066
Broken-barred Carpet
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 1,052
Ovate harp ground beetle
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 979
Nettle Pollen Beetle
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 814
Hydroporus nigrita
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 807
Truncate barrel-bubble
- Group
- Molluscs
- Peak month
- May
- Records since 2000
- 766
Crepidodera fulvicornis
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 738
Weevil
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 733
Sandy Carpet
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 730
Psammoecus bipunctatus
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 587
Bembidion minimum
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 565
Olibrus aeneus
- Group
- Beetles
- Peak month
- August
- Records since 2000
- 541
Hydroglyphus geminus
- Group
- Beetles
- Peak month
- September
- Records since 2000
- 518
Wood Cricket
- Group
- Grasshoppers and crickets
- Peak month
- August
- Records since 2000
- 499
Yarrell's Blenny
- Group
- Fish
- Peak month
- July
- Records since 2000
- 480
Adrastus pallens
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 432
Ischnomera cyanea
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 420
Acrossus depressus
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 411
Willow Gall Weevil
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 411
Lathrobium brunnipes
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 404
Tubifera ferruginosa
- Group
- Microorganisms and protists
- Peak month
- October
- Records since 2000
- 392
Hypnoidus riparius
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 380
Cerylon histeroides
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 365
Orchestes hortorum
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 355
Stictotarsus duodecimpustulatus
- Group
- Beetles
- Peak month
- September
- Records since 2000
- 345
Phaedon cochleariae
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 344
Rhizophagus bipustulatus
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 344
Ophonus rufibarbis
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 325
Dryocoetes villosus
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 314
Ctesias serra
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 294
Tanysphyrus lemnae
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 284
Odiellus spinosus
- Group
- Mites, harvestmen and other arachnids
- Peak month
- October
- Records since 2000
- 274
Atheta crassicornis
- Group
- Beetles
- Peak month
- August
- Records since 2000
- 272
Barynotus moerens
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 254
Donacia clavipes
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 253
Broom Seed Beetle
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 248
A Digger wasp
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 238
Brindled ochre
- Group
- Butterflies and moths
- Peak month
- October
- Records since 2000
- 238
Oligia versicolor
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 228
Oodes helopioides
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 223
Psylliodes napi
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 215
Pediacus dermestoides
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 210
Thera cognata
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 199
Notaris scirpi
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 186
Otiorhynchus armadillo
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 185
Ceutorhynchus assimilis
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 177
A water beetle
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 175
Proteinus brachypterus
- Group
- Beetles
- Peak month
- September
- Records since 2000
- 175
Mycetophagus multipunctatus
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 167
Temnocerus nanus
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 165
Oak Pin-Hole Borer
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 151
Anisotoma humeralis
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 147
Hypera meles
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 139
Necklace Ground Beetle
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 137
Hermaeophaga mercurialis
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 136
Alpheus glaber
- Group
- Crustaceans
- Peak month
- March
- Records since 2000
- 131
Larinus planus
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 131
Cuspidaria cuspidata
- Group
- Molluscs
- Peak month
- May
- Records since 2000
- 118
Solitary wasp
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 118
Phaleria cadaverina
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 116
A water beetle
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 112
Sulcacis nitidus
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 111
Athous vittatus
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 109
Phyllobius viridicollis
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 109
Ellescus scanicus
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 105
Dorcatoma flavicornis
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 103
Lasius emarginatus
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 92
Philonthus splendens
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 92
Enochrus bicolor
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 88
Carpin's Snout Beetle
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 84
Microrhagus pygmaeus
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 83
Ligidium hypnorum
- Group
- Crustaceans
- Peak month
- August
- Records since 2000
- 80
Atomaria mesomela
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 73
Dorytomus melanophthalmus
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 73
Paraphotistus impressus
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 68
Volvulella acuminata
- Group
- Molluscs
- Peak month
- April
- Records since 2000
- 64
Cockatiel
- Group
- Birds
- Peak month
- September
- Records since 2000
- 63
Rhizophagus depressus
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 62
Ischnus agitator
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 60
Methocha articulata
- Group
- Bees, wasps and ants
- Peak month
- June
- Records since 2000
- 59
A beetle
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 58
Brachonyx pineti
- Group
- Beetles
- Peak month
- April
- Records since 2000
- 54