Soprano Pipistrelle
- Group
- Mammals
- Peak month
- August
- Records since 2000
- 266,742
Described in 1825
63 species
Green Emerald Damselfly
- Group
- Dragonflies and damselflies
- Peak month
- September
- Records since 2000
- 15,887
Variable Damselfly
- Group
- Dragonflies and damselflies
- Peak month
- June
- Records since 2000
- 9,278
Scarce Blue-tailed Damselfly
- Group
- Dragonflies and damselflies
- Peak month
- June
- Records since 2000
- 5,148
White-faced Darter
- Group
- Dragonflies and damselflies
- Peak month
- June
- Records since 2000
- 3,960
Oecetis ochracea
- Group
- Caddisflies
- Peak month
- July
- Records since 2000
- 2,139
Brilliant Emerald
- Group
- Dragonflies and damselflies
- Peak month
- July
- Records since 2000
- 1,395
Philorhizus melanocephalus
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 1,374
Northern Damselfly
- Group
- Dragonflies and damselflies
- Peak month
- June
- Records since 2000
- 1,326
Fannia serena
- Group
- True flies
- Peak month
- June
- Records since 2000
- 1,050
Cosmopolitan Diving Beetle
- Group
- Beetles
- Peak month
- October
- Records since 2000
- 891
Adia cinerella
- Group
- True flies
- Peak month
- August
- Records since 2000
- 772
Helina depuncta
- Group
- True flies
- Peak month
- June
- Records since 2000
- 771
Flat periwinkle
- Group
- Molluscs
- Peak month
- August
- Records since 2000
- 728
Desert Wheatear
- Group
- Birds
- Peak month
- November
- Records since 2000
- 724
Southern Wainscot
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 538
Coenosia agromyzina
- Group
- True flies
- Peak month
- May
- Records since 2000
- 476
Acupalpus parvulus
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 455
Coenosia pumila
- Group
- True flies
- Peak month
- July
- Records since 2000
- 454
Mint leaf beatle
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 398
Coenosia mollicula
- Group
- True flies
- Peak month
- July
- Records since 2000
- 364
Bembidion femoratum
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 351
Black Dogfish
- Group
- Fish
- Peak month
- September
- Records since 2000
- 331
Dromius meridionalis
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 305
Bembidion gilvipes
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 296
Apotomis turbidana
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 268
Fannia fuscula
- Group
- True flies
- Peak month
- July
- Records since 2000
- 263
Limnophora triangula
- Group
- True flies
- Peak month
- August
- Records since 2000
- 242
Longitarsus suturellus
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 224
Tritia varicosa
- Group
- Molluscs
- Peak month
- March
- Records since 2000
- 211
Dyschirius politus
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 203
Bembidion obliquum
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 201
Dyschirius aeneus
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 192
Hebecnema nigricolor
- Group
- True flies
- Peak month
- July
- Records since 2000
- 188
Coenosia pedella
- Group
- True flies
- Peak month
- June
- Records since 2000
- 182
Henslow's Pea Mussel
- Group
- Molluscs
- Peak month
- December
- Records since 2000
- 177
Helina confinis
- Group
- True flies
- Peak month
- July
- Records since 2000
- 176
Phaonia fuscata
- Group
- True flies
- Peak month
- April
- Records since 2000
- 173
Brown-veined wainscot
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 163
Lispe pygmaea
- Group
- True flies
- Peak month
- June
- Records since 2000
- 161
Wilson's Snipe
- Group
- Birds
- Peak month
- October
- Records since 2000
- 147
Helcomyza ustulata
- Group
- True flies
- Peak month
- August
- Records since 2000
- 137
Berosus signaticollis
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 126
Delia coarctata
- Group
- True flies
- Peak month
- July
- Records since 2000
- 125
Euspira fusca
- Group
- Molluscs
- Peak month
- August
- Records since 2000
- 125
White's Thrush
- Group
- Birds
- Peak month
- October
- Records since 2000
- 120
Amara montivaga
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 112
Coenosia intermedia
- Group
- True flies
- Peak month
- July
- Records since 2000
- 105
Swammerdamia heroldella
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 100
Hydrotaea armipes
- Group
- True flies
- Peak month
- July
- Records since 2000
- 93
Delia albula
- Group
- True flies
- Peak month
- June
- Records since 2000
- 79
Xylocleptes bispinus
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 78
Royal Albatross
- Group
- Birds
- Peak month
- October
- Records since 2000
- 74
Emmesomyia socia
- Group
- True flies
- Peak month
- June
- Records since 2000
- 70
Galerucella pusilla
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 70
Pegomya laticornis
- Group
- True flies
- Peak month
- June
- Records since 2000
- 68
Bembidion monticola
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 66
Trophonopsis barvicensis
- Group
- Molluscs
- Peak month
- March
- Records since 2000
- 66
Elachista freyerella
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 64
Heath Dumble Dor
- Group
- Beetles
- Peak month
- August
- Records since 2000
- 64
Rhopalomesites tardii
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 59
Bryaxis puncticollis
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 55
Coelioxys rufescens
- Group
- Bees, wasps and ants
- Peak month
- June
- Records since 2000
- 51