Common Grass Veneer
- Group
- Butterflies and moths
- Records since 2000
- 6,856
- Scientific name
- Agriphila tristellus
Pea and Bean Weevil
- Group
- Beetles
- Records since 2000
- 6,781
- Scientific name
- Sitona lineatus
Common Fleabane
- Group
- Flowering plants
- Records since 2000
- 6,682
- Scientific name
- Pulicaria dysenterica
Coat-of-mail chiton
- Group
- Molluscs
- Records since 2000
- 6,537
- Scientific name
- Leptochiton asellus
Gypsywort
- Group
- Flowering plants
- Records since 2000
- 6,492
- Scientific name
- Lycopus europaeus
Bearbind
- Group
- Flowering plants
- Records since 2000
- 6,477
- Scientific name
- Calystegia sepium
Yellow Shell
- Group
- Butterflies and moths
- Records since 2000
- 6,476
- Scientific name
- Camptogramma bilineata
Dipolydora coeca
- Group
- Worms (annelids)
- Records since 2000
- 6,466
- Peak month
- August
Kneiff's Feather-moss
- Group
- Mosses
- Records since 2000
- 6,465
- Scientific name
- Leptodictyum riparium
Star Ascidian, Star tunicate, Golden star sea-squirt
- Group
- Sea squirts
- Records since 2000
- 6,456
- Scientific name
- Botryllus schlosseri
Fourbeard rockling
- Group
- Fish
- Records since 2000
- 6,440
- Scientific name
- Enchelyopus cimbrius
Flounced Rustic
- Group
- Butterflies and moths
- Records since 2000
- 6,401
- Scientific name
- Luperina testacea
Scentless bug
- Group
- True bugs
- Records since 2000
- 6,364
- Scientific name
- Corizus hyoscyami
Canadian Waterweed
- Group
- Flowering plants
- Records since 2000
- 6,360
- Scientific name
- Elodea canadensis
Dingy Dowd
- Group
- Butterflies and moths
- Records since 2000
- 6,293
- Scientific name
- Blastobasis adustella
Small Square-spot
- Group
- Butterflies and moths
- Records since 2000
- 6,140
- Scientific name
- Diarsia rubi
Turnip Moth
- Group
- Butterflies and moths
- Records since 2000
- 5,997
- Scientific name
- Agrotis segetum
Great sand-eel, Greater Sandeel
- Group
- Fish
- Records since 2000
- 5,969
- Scientific name
- Hyperoplus lanceolatus
Shorthorn sculpin, Bull-rout
- Group
- Fish
- Records since 2000
- 5,965
- Scientific name
- Myoxocephalus scorpius
Birch catkin bug
- Group
- True bugs
- Records since 2000
- 5,955
- Scientific name
- Kleidocerys resedae
Arctic comb jelly
- Group
- Other invertebrates
- Records since 2000
- 5,940
- Scientific name
- Mertensia ovum
Eelgrass
- Group
- Flowering plants
- Records since 2000
- 5,884
- Scientific name
- Zostera marina
Parent Bug
- Group
- True bugs
- Records since 2000
- 5,884
- Scientific name
- Elasmucha grisea
Orange-spined Drone Fly
- Group
- True flies
- Records since 2000
- 5,815
- Scientific name
- Eristalis nemorum
Common Plume
- Group
- Butterflies and moths
- Records since 2000
- 5,750
- Scientific name
- Emmelina monodactyla
Furry Dronefly
- Group
- True flies
- Records since 2000
- 5,653
- Scientific name
- Eristalis intricaria
Lesser Marsh Grasshopper
- Group
- Grasshoppers and crickets
- Records since 2000
- 5,628
- Scientific name
- Chorthippus albomarginatus
Limnephilus marmoratus
- Group
- Caddisflies
- Records since 2000
- 5,591
- Peak month
- August
Cirl Bunting
- Group
- Birds
- Records since 2000
- 5,559
- Scientific name
- Emberiza cirlus
Polychaete
- Group
- Worms (annelids)
- Records since 2000
- 5,456
- Scientific name
- Eumida sanguinea
Redshank [plant]
- Group
- Flowering plants
- Records since 2000
- 5,442
- Scientific name
- Persicaria maculosa
Pseudocohnilembus hargisi
- Group
- Microorganisms and protists
- Records since 2000
- 5,400
- Peak month
- August
Common Toadflax
- Group
- Flowering plants
- Records since 2000
- 5,393
- Scientific name
- Linaria vulgaris
Pointed-keeled Rhyzobius
- Group
- Beetles
- Records since 2000
- 5,369
- Scientific name
- Rhyzobius litura
Eulalia mustela
- Group
- Worms (annelids)
- Records since 2000
- 5,299
- Peak month
- August
Escharella immersa
- Group
- Bryozoans
- Records since 2000
- 5,289
- Peak month
- August
Common nut clam
- Group
- Molluscs
- Records since 2000
- 5,272
- Scientific name
- Nucula nucleus
Oak Bush Cricket
- Group
- Grasshoppers and crickets
- Records since 2000
- 5,193
- Scientific name
- Meconema thalassinum
Flame Carpet
- Group
- Butterflies and moths
- Records since 2000
- 5,167
- Scientific name
- Xanthorhoe designata
Peanut worm
- Group
- Other invertebrates
- Records since 2000
- 5,102
- Scientific name
- Phascolion strombus
Lesser Hornet Hoverfly
- Group
- True flies
- Records since 2000
- 5,083
- Scientific name
- Volucella inanis
Black Crowberry
- Group
- Flowering plants
- Records since 2000
- 5,057
- Scientific name
- Empetrum nigrum
Eunereis longissima
- Group
- Worms (annelids)
- Records since 2000
- 5,053
- Peak month
- August
Curled Octopus
- Group
- Molluscs
- Records since 2000
- 5,022
- Scientific name
- Eledone cirrhosa
Blow Lug, Lugworm, Lobworm
- Group
- Worms (annelids)
- Records since 2000
- 5,017
- Scientific name
- Arenicola marina
Sneezewort
- Group
- Flowering plants
- Records since 2000
- 4,982
- Scientific name
- Achillea ptarmica
Tansy
- Group
- Flowering plants
- Records since 2000
- 4,945
- Scientific name
- Tanacetum vulgare
Pista cristata
- Group
- Worms (annelids)
- Records since 2000
- 4,898
- Peak month
- August