Flexuose Cleftclam
- Group
- Molluscs
- Records since 2000
- 11,473
- Scientific name
- Thyasira flexuosa
Male-fern
- Group
- Ferns and horsetails
- Records since 2000
- 11,400
- Scientific name
- Dryopteris filix-mas
Galathowenia oculata
- Group
- Worms (annelids)
- Records since 2000
- 11,361
- Peak month
- May
Narrowleaf Vetch
- Group
- Flowering plants
- Records since 2000
- 11,032
- Scientific name
- Vicia sativa
Grey Field Slug
- Group
- Molluscs
- Records since 2000
- 10,855
- Scientific name
- Deroceras reticulatum
Bugle
- Group
- Flowering plants
- Records since 2000
- 10,367
- Scientific name
- Ajuga reptans
Broad Buckler-fern
- Group
- Ferns and horsetails
- Records since 2000
- 10,227
- Scientific name
- Dryopteris dilatata
Pholoe inornata
- Group
- Worms (annelids)
- Records since 2000
- 10,180
- Peak month
- May
Calvia 14-guttata
- Group
- Beetles
- Records since 2000
- 10,137
- Scientific name
- Calvia quatuordecimguttata
Pendulous Sedge
- Group
- Flowering plants
- Records since 2000
- 9,859
- Scientific name
- Carex pendula
Rhingia campestris
- Group
- True flies
- Records since 2000
- 9,678
- Peak month
- May
Black Swan
- Group
- Birds
- Records since 2000
- 9,552
- Scientific name
- Cygnus atratus
Ladybird beetle
- Group
- Beetles
- Records since 2000
- 9,453
- Scientific name
- Subcoccinella vigintiquatuorpunctata
16-spot Ladybird
- Group
- Beetles
- Records since 2000
- 9,156
- Scientific name
- Tytthaspis sedecimpunctata
Grass Snake
- Group
- Reptiles
- Records since 2000
- 8,979
- Scientific name
- Natrix helvetica
Reddish snail
- Group
- Molluscs
- Records since 2000
- 8,969
- Scientific name
- Trochulus striolatus
Common Cardinal Beetle
- Group
- Beetles
- Records since 2000
- 8,863
- Scientific name
- Pyrochroa serraticornis
Ampelisca tenuicornis
- Group
- Crustaceans
- Records since 2000
- 8,453
- Peak month
- May
Meadow Foxtail
- Group
- Flowering plants
- Records since 2000
- 8,431
- Scientific name
- Alopecurus pratensis
Common Cockchafer
- Group
- Beetles
- Records since 2000
- 8,262
- Scientific name
- Melolontha melolontha
Thyme-leaved Speedwell
- Group
- Flowering plants
- Records since 2000
- 8,155
- Scientific name
- Veronica serpyllifolia
Green Tiger Beetle
- Group
- Beetles
- Records since 2000
- 8,058
- Scientific name
- Cicindela campestris
Brown Rim-lichen
- Group
- Lichens
- Records since 2000
- 7,917
- Scientific name
- Lecanora chlarotera
Coral Weed
- Group
- Seaweeds and algae
- Records since 2000
- 7,820
- Scientific name
- Corallina officinalis
Black Bryony
- Group
- Flowering plants
- Records since 2000
- 7,792
- Scientific name
- Dioscorea communis
Kentish Snail
- Group
- Molluscs
- Records since 2000
- 7,788
- Scientific name
- Monacha cantiana
Green Carpet
- Group
- Butterflies and moths
- Records since 2000
- 7,759
- Scientific name
- Colostygia pectinataria
Pignut
- Group
- Flowering plants
- Records since 2000
- 7,683
- Scientific name
- Conopodium majus
Prionospio fallax
- Group
- Worms (annelids)
- Records since 2000
- 7,569
- Peak month
- May
Early Mining Bee
- Group
- Bees, wasps and ants
- Records since 2000
- 7,566
- Scientific name
- Andrena haemorrhoa
Dove's-foot Crane's-bill
- Group
- Flowering plants
- Records since 2000
- 7,440
- Scientific name
- Geranium molle
Common Dust Lichen
- Group
- Lichens
- Records since 2000
- 7,408
- Scientific name
- Lepraria incana
Sixspot Cranefly
- Group
- True flies
- Records since 2000
- 7,283
- Scientific name
- Limonia nubeculosa
Wood Warbler
- Group
- Birds
- Records since 2000
- 7,246
- Scientific name
- Phylloscopus sibillatrix
Spiophanes kroyeri
- Group
- Worms (annelids)
- Records since 2000
- 7,095
- Peak month
- May
Broom
- Group
- Flowering plants
- Records since 2000
- 7,008
- Scientific name
- Cytisus scoparius
Green Dock Beetle
- Group
- Beetles
- Records since 2000
- 6,957
- Scientific name
- Gastrophysa viridula
Dusky Slug
- Group
- Molluscs
- Records since 2000
- 6,949
- Scientific name
- Arion subfuscus
Small Red Sedge
- Group
- Caddisflies
- Records since 2000
- 6,888
- Scientific name
- Tinodes waeneri
Mottled Sedge
- Group
- Caddisflies
- Records since 2000
- 6,879
- Scientific name
- Glyphotaelius pellucidus
Goosebump sponge
- Group
- Sponges
- Records since 2000
- 6,816
- Scientific name
- Dysidea fragilis
Great Grey Slug
- Group
- Molluscs
- Records since 2000
- 6,803
- Scientific name
- Limax maximus
Athripsodes cinereus
- Group
- Caddisflies
- Records since 2000
- 6,717
- Peak month
- May
Bulbous Buttercup
- Group
- Flowering plants
- Records since 2000
- 6,662
- Scientific name
- Ranunculus bulbosus
Greater Celandine
- Group
- Flowering plants
- Records since 2000
- 6,651
- Scientific name
- Chelidonium majus
Wych Elm
- Group
- Flowering plants
- Records since 2000
- 6,614
- Scientific name
- Ulmus glabra
Dark Crottle
- Group
- Lichens
- Records since 2000
- 6,587
- Scientific name
- Hypogymnia physodes
Field Forget-me-not
- Group
- Flowering plants
- Records since 2000
- 6,582
- Scientific name
- Myosotis arvensis