Hagfish
- Group
- Fish
- Records since 2000
- 1,489
- Scientific name
- Myxine glutinosa
Blow Fly
- Group
- True flies
- Records since 2000
- 1,486
- Scientific name
- Lucilia sericata
Ground-moss Grey
- Group
- Butterflies and moths
- Records since 2000
- 1,486
- Scientific name
- Eudonia truncicolella
Black-bindweed
- Group
- Flowering plants
- Records since 2000
- 1,481
- Scientific name
- Fallopia convolvulus
Membranoptera alata
- Group
- Seaweeds and algae
- Records since 2000
- 1,481
- Peak month
- August
Ciliate reindeer lichen
- Group
- Lichens
- Records since 2000
- 1,471
- Scientific name
- Cladonia ciliata
Sphaerosyllis hystrix
- Group
- Worms (annelids)
- Records since 2000
- 1,466
- Peak month
- August
Fig
- Group
- Flowering plants
- Records since 2000
- 1,462
- Scientific name
- Ficus carica
Sea Oak
- Group
- Jellyfish, corals and anemones
- Records since 2000
- 1,460
- Scientific name
- Dynamena pumila
Phisidia aurea
- Group
- Worms (annelids)
- Records since 2000
- 1,450
- Peak month
- August
Variegated Scallop
- Group
- Molluscs
- Records since 2000
- 1,450
- Scientific name
- Mimachlamys varia
Amphiura securigera
- Group
- Starfish and sea urchins
- Records since 2000
- 1,444
- Peak month
- August
Tree-lichen Beauty
- Group
- Butterflies and moths
- Records since 2000
- 1,443
- Scientific name
- Cryphia algae
Autumn Lady's-tresses
- Group
- Flowering plants
- Records since 2000
- 1,437
- Scientific name
- Spiranthes spiralis
Dark Sword-grass
- Group
- Butterflies and moths
- Records since 2000
- 1,433
- Scientific name
- Agrotis ipsilon
Nereis zonata
- Group
- Worms (annelids)
- Records since 2000
- 1,415
- Peak month
- August
Calathus melanocephalus
- Group
- Beetles
- Records since 2000
- 1,410
- Peak month
- August
Many-tufted Sedgesitter
- Group
- True flies
- Records since 2000
- 1,409
- Scientific name
- Platycheirus scutatus
Animoceradocus semiserratus
- Group
- Crustaceans
- Records since 2000
- 1,408
- Peak month
- August
Spotted Crake
- Group
- Birds
- Records since 2000
- 1,397
- Scientific name
- Porzana porzana
Bristleworm
- Group
- Worms (annelids)
- Records since 2000
- 1,395
- Scientific name
- Hyalinoecia tubicola
Lecania lichen
- Group
- Lichens
- Records since 2000
- 1,390
- Scientific name
- Lecania erysibe
Parchment Worm
- Group
- Worms (annelids)
- Records since 2000
- 1,390
- Scientific name
- Chaetopterus variopedatus
Sealoch anemone
- Group
- Jellyfish, corals and anemones
- Records since 2000
- 1,386
- Scientific name
- Protanthea simplex
Cabbage Moth
- Group
- Butterflies and moths
- Records since 2000
- 1,384
- Scientific name
- Mamestra brassicae
Chequered Grass-veneer
- Group
- Butterflies and moths
- Records since 2000
- 1,380
- Scientific name
- Catoptria falsella
Princely harp ground beetle
- Group
- Beetles
- Records since 2000
- 1,369
- Scientific name
- Amara aulica
Pale Brittlestem
- Group
- Fungi
- Records since 2000
- 1,368
- Scientific name
- Candolleomyces candolleanus
Pear
- Group
- Flowering plants
- Records since 2000
- 1,368
- Scientific name
- Pyrus communis
Crown Rust of Oats
- Group
- Fungi
- Records since 2000
- 1,346
- Scientific name
- Puccinia coronata
Lysidice ninetta
- Group
- Worms (annelids)
- Records since 2000
- 1,343
- Peak month
- August
Tree Damsel Bug
- Group
- True bugs
- Records since 2000
- 1,341
- Scientific name
- Himacerus apterus
Rhynchozoon bispinosum
- Group
- Bryozoans
- Records since 2000
- 1,335
- Peak month
- August
Grey-backed Snout-hoverfly
- Group
- True flies
- Records since 2000
- 1,334
- Scientific name
- Rhingia rostrata
Heather Fly
- Group
- True flies
- Records since 2000
- 1,325
- Scientific name
- Bibio pomonae
Sea Ivory
- Group
- Lichens
- Records since 2000
- 1,321
- Scientific name
- Ramalina siliquosa
Harvestman
- Group
- Mites, harvestmen and other arachnids
- Records since 2000
- 1,316
- Scientific name
- Leiobunum rotundum
Cladophora glomerata
- Group
- Seaweeds and algae
- Records since 2000
- 1,314
- Peak month
- August
Dwarf Mallow
- Group
- Flowering plants
- Records since 2000
- 1,313
- Scientific name
- Malva neglecta
Janira maculosa
- Group
- Crustaceans
- Records since 2000
- 1,303
- Peak month
- August
Fleshy horny sponge
- Group
- Sponges
- Records since 2000
- 1,286
- Scientific name
- Suberites carnosus
Sticky Groundsel
- Group
- Flowering plants
- Records since 2000
- 1,286
- Scientific name
- Senecio viscosus
Cave-burrowing anemone
- Group
- Jellyfish, corals and anemones
- Records since 2000
- 1,281
- Scientific name
- Cylista troglodytes
Four-striated riverbank ground beetle
- Group
- Beetles
- Records since 2000
- 1,278
- Scientific name
- Trechus quadristriatus
Nucula hanleyi
- Group
- Molluscs
- Records since 2000
- 1,275
- Peak month
- August
Toad Spider
- Group
- Spiders
- Records since 2000
- 1,272
- Scientific name
- Nuctenea umbratica
Red Malachite Beetle
- Group
- Beetles
- Records since 2000
- 1,264
- Scientific name
- Anthocomus rufus
Calcareous scribble lichen
- Group
- Lichens
- Records since 2000
- 1,258
- Scientific name
- Arthonia calcarea