Purple Bar
- Group
- Butterflies and moths
- Records since 2000
- 1,995
- Scientific name
- Cosmorhoe ocellata
Girgensohn's Bog-moss
- Group
- Mosses
- Records since 2000
- 1,993
- Scientific name
- Sphagnum girgensohnii
Twin-lobed Deerfly
- Group
- True flies
- Records since 2000
- 1,993
- Scientific name
- Chrysops relictus
Red forklet moss
- Group
- Mosses
- Records since 2000
- 1,984
- Scientific name
- Dicranella rufescens
Alpine Lady's-mantle
- Group
- Flowering plants
- Records since 2000
- 1,982
- Scientific name
- Alchemilla alpina
Heath Earwort
- Group
- Liverworts
- Records since 2000
- 1,975
- Scientific name
- Scapania irrigua
Lyon's Notchwort
- Group
- Liverworts
- Records since 2000
- 1,973
- Scientific name
- Trilophozia quinquedentata
Leptura quadrifasciata
- Group
- Beetles
- Records since 2000
- 1,971
- Peak month
- July
Yellow Water-lily
- Group
- Flowering plants
- Records since 2000
- 1,971
- Scientific name
- Nuphar lutea
Taylor's Flapwort
- Group
- Liverworts
- Records since 2000
- 1,963
- Scientific name
- Mylia taylorii
Perch
- Group
- Fish
- Records since 2000
- 1,962
- Scientific name
- Perca fluviatilis
Cyrnus trimaculatus
- Group
- Caddisflies
- Records since 2000
- 1,958
- Peak month
- July
Flesh sponge
- Group
- Sponges
- Records since 2000
- 1,955
- Scientific name
- Haliclona viscosa
Southern Migrant Hawker
- Group
- Dragonflies and damselflies
- Records since 2000
- 1,948
- Scientific name
- Aeshna affinis
Blue Jellyfish
- Group
- Jellyfish, corals and anemones
- Records since 2000
- 1,937
- Scientific name
- Cyanea lamarckii
Immaculate Grass-veneer Moth
- Group
- Butterflies and moths
- Records since 2000
- 1,937
- Scientific name
- Crambus perlellus
Intermediate Hook-moss
- Group
- Mosses
- Records since 2000
- 1,929
- Scientific name
- Scorpidium cossonii
Procumbent Yellow-sorrel
- Group
- Flowering plants
- Records since 2000
- 1,921
- Scientific name
- Oxalis corniculata
Hercynian Haircap
- Group
- Mosses
- Records since 2000
- 1,919
- Scientific name
- Oligotrichum hercynicum
Hyperlasion wasmanni
- Group
- True flies
- Records since 2000
- 1,918
- Peak month
- July
Tripos horridus
- Group
- Microorganisms and protists
- Records since 2000
- 1,908
- Peak month
- July
Yellow Cereal Fly
- Group
- True flies
- Records since 2000
- 1,900
- Scientific name
- Opomyza florum
Fennel
- Group
- Flowering plants
- Records since 2000
- 1,899
- Scientific name
- Foeniculum vulgare
Small Blood-vein
- Group
- Butterflies and moths
- Records since 2000
- 1,897
- Scientific name
- Scopula imitaria
Narrow Mushroom-headed Liverwort
- Group
- Liverworts
- Records since 2000
- 1,890
- Scientific name
- Marchantia quadrata
Tripos lineatus
- Group
- Microorganisms and protists
- Records since 2000
- 1,878
- Peak month
- July
Bee Wolf
- Group
- Bees, wasps and ants
- Records since 2000
- 1,877
- Scientific name
- Philanthus triangulum
Blue Bug
- Group
- True bugs
- Records since 2000
- 1,877
- Scientific name
- Zicrona caerulea
Botanophila striolata
- Group
- True flies
- Records since 2000
- 1,872
- Peak month
- July
Dull Four-spined Legionnaire
- Group
- True flies
- Records since 2000
- 1,868
- Scientific name
- Chorisops tibialis
Lemon-scented Fern
- Group
- Ferns and horsetails
- Records since 2000
- 1,867
- Scientific name
- Oreopteris limbosperma
Hook-barred Spearhorn
- Group
- True flies
- Records since 2000
- 1,866
- Scientific name
- Chrysotoxum festivum
Early Hair-grass
- Group
- Flowering plants
- Records since 2000
- 1,861
- Scientific name
- Aira praecox
Yellow-faced Fly
- Group
- True flies
- Records since 2000
- 1,856
- Scientific name
- Tachina grossa
Siphona geniculata
- Group
- True flies
- Records since 2000
- 1,852
- Peak month
- July
Small Scabious
- Group
- Flowering plants
- Records since 2000
- 1,851
- Scientific name
- Scabiosa columbaria
Diastylis bradyi
- Group
- Crustaceans
- Records since 2000
- 1,839
- Peak month
- July
Ringless Hook-moss
- Group
- Mosses
- Records since 2000
- 1,833
- Scientific name
- Sarmentypnum exannulatum
Grey Knot-horn
- Group
- Butterflies and moths
- Records since 2000
- 1,831
- Scientific name
- Acrobasis advenella
Neptune's Heart Sea Squirt
- Group
- Sea squirts
- Records since 2000
- 1,825
- Scientific name
- Phallusia mammillata
Zigzag Clover
- Group
- Flowering plants
- Records since 2000
- 1,825
- Scientific name
- Trifolium medium
Hooked Scorpion-moss
- Group
- Mosses
- Records since 2000
- 1,824
- Scientific name
- Scorpidium scorpioides
Musk Thistle
- Group
- Flowering plants
- Records since 2000
- 1,819
- Scientific name
- Carduus nutans
Short-beaked Wood-moss
- Group
- Mosses
- Records since 2000
- 1,819
- Scientific name
- Loeskeobryum brevirostre
Greater Burrdock
- Group
- Flowering plants
- Records since 2000
- 1,815
- Scientific name
- Arctium lappa
Keeled Ramshorn
- Group
- Molluscs
- Records since 2000
- 1,813
- Scientific name
- Planorbis carinatus
Catillaria lichen
- Group
- Lichens
- Records since 2000
- 1,811
- Scientific name
- Catillaria chalybeia
Purple Clay
- Group
- Butterflies and moths
- Records since 2000
- 1,810
- Scientific name
- Diarsia brunnea