Song Thrush
- Group
- Birds
- Peak month
- May
- Records since 2000
- 526,859
Described in 1831
52 species
Common Nightingale
- Group
- Birds
- Peak month
- May
- Records since 2000
- 13,807
Eared Grebe
- Group
- Birds
- Peak month
- January
- Records since 2000
- 11,738
Brindled Pug
- Group
- Butterflies and moths
- Peak month
- April
- Records since 2000
- 2,623
Foxglove Pug
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 2,256
Oval Cockle
- Group
- Molluscs
- Peak month
- September
- Records since 2000
- 1,682
Furrowed nutclam
- Group
- Molluscs
- Peak month
- June
- Records since 2000
- 1,404
Meridion circulare
- Group
- Seaweeds and algae
- Peak month
- April
- Records since 2000
- 1,162
Gomphonema minutum
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 877
Trumpet Anemone
- Group
- Jellyfish, corals and anemones
- Peak month
- June
- Records since 2000
- 683
Sitona suturalis
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 555
Rivulet
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 510
Strophosoma nebulosum
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 399
Sitona humeralis
- Group
- Beetles
- Peak month
- August
- Records since 2000
- 380
Dolichopus griseipennis
- Group
- True flies
- Peak month
- August
- Records since 2000
- 375
Franklin's Gull
- Group
- Birds
- Peak month
- July
- Records since 2000
- 355
Bembidion normannum
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 354
Strophosoma sus
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 347
Dysstroma concinnata
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 288
Coelositona cambricus
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 272
Longitarsus flavicornis
- Group
- Beetles
- Peak month
- August
- Records since 2000
- 250
Brama orcini
- Group
- Fish
- Peak month
- August
- Records since 2000
- 218
Turdus eunomus
- Group
- Birds
- Peak month
- December
- Records since 2000
- 209
Elaphropus parvulus
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 201
Xysticus ulmi
- Group
- Spiders
- Peak month
- June
- Records since 2000
- 180
Hypsosinga pygmaea
- Group
- Spiders
- Peak month
- September
- Records since 2000
- 166
Tachytrechus notatus
- Group
- True flies
- Peak month
- June
- Records since 2000
- 160
Micaria pulicaria
- Group
- Spiders
- Peak month
- June
- Records since 2000
- 157
Dolichopus longitarsis
- Group
- True flies
- Peak month
- July
- Records since 2000
- 149
Sweet Clover Weevil
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 143
Lesser Crested Tern
- Group
- Birds
- Peak month
- December
- Records since 2000
- 138
Perizoma taeniata
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 134
Davis’s river diver
- Group
- Beetles
- Peak month
- April
- Records since 2000
- 120
Hercostomus nigriplantis
- Group
- True flies
- Peak month
- July
- Records since 2000
- 112
Eurhadina concinna
- Group
- True bugs
- Peak month
- July
- Records since 2000
- 101
Flat grain beetle
- Group
- Beetles
- Peak month
- September
- Records since 2000
- 90
Chaetocnema picipes
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 86
Stenocarus ruficornis
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 84
Deporaus betulae
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 83
Hercostomus metallicus
- Group
- True flies
- Peak month
- June
- Records since 2000
- 81
Aclista cantiana
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 80
Amara spreta
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 80
Hercostomus gracilis
- Group
- True flies
- Peak month
- July
- Records since 2000
- 79
Sea-Wormwood Weevil
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 79
Conrad's False Mussel
- Group
- Molluscs
- Peak month
- November
- Records since 2000
- 75
Brown Skua
- Group
- Birds
- Peak month
- October
- Records since 2000
- 74
Sibinia arenariae
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 70
Dolichopus longicornis
- Group
- True flies
- Peak month
- July
- Records since 2000
- 68
Pediopsis tiliae
- Group
- True bugs
- Peak month
- June
- Records since 2000
- 58
Thaumalea testacea
- Group
- True flies
- Peak month
- June
- Records since 2000
- 54
Stigmatomeria crassicorne
- Group
- True flies
- Peak month
- August
- Records since 2000
- 53
Hylaeus cornutus
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 52