Erysiphe aquilegiae
- Group
- Fungi
- Records since 2000
- 679
- Peak month
- September
Plantain Mildew
- Group
- Fungi
- Records since 2000
- 676
- Scientific name
- Golovinomyces sordidus
Oak Curved-leaf Gall Wasp
- Group
- Bees, wasps and ants
- Records since 2000
- 672
- Scientific name
- Andricus curvator
Laccobius minutus
- Group
- Beetles
- Records since 2000
- 669
- Peak month
- September
Celtic sea slug
- Group
- Molluscs
- Records since 2000
- 668
- Scientific name
- Onchidella celtica
Sinistral spiral tubeworm
- Group
- Worms (annelids)
- Records since 2000
- 668
- Scientific name
- Spirorbis spirorbis
Suede bolete, Brown and yellow bolete, Boring brown bolete, Yellow-cracked bolete
- Group
- Fungi
- Records since 2000
- 666
- Scientific name
- Xerocomus subtomentosus
Common Pelican's Foot
- Group
- Molluscs
- Records since 2000
- 662
- Scientific name
- Aporrhais pespelecani
Haliplus fluviatilis
- Group
- Beetles
- Records since 2000
- 662
- Peak month
- September
Nathusius's Bat
- Group
- Mammals
- Records since 2000
- 662
- Scientific name
- Pipistrellus nathusii
Black-streaked dung beetle
- Group
- Beetles
- Records since 2000
- 660
- Scientific name
- Nimbus contaminatus
Spotted backswimmer
- Group
- True bugs
- Records since 2000
- 655
- Scientific name
- Notonecta maculata
Antlered Powderhorn Lichen
- Group
- Lichens
- Records since 2000
- 654
- Scientific name
- Cladonia subulata
Split fibrecap
- Group
- Fungi
- Records since 2000
- 653
- Scientific name
- Pseudosperma rimosum
Grey Spotted Amanita
- Group
- Fungi
- Records since 2000
- 646
- Scientific name
- Amanita excelsa
Plumaria plumosa
- Group
- Seaweeds and algae
- Records since 2000
- 646
- Peak month
- September
Corynoptera perpusilla
- Group
- True flies
- Records since 2000
- 643
- Peak month
- September
Scaly Tooth
- Group
- Fungi
- Records since 2000
- 643
- Scientific name
- Sarcodon squamosus
Barrel jellyfish
- Group
- Jellyfish, corals and anemones
- Records since 2000
- 641
- Scientific name
- Rhizostoma octopus
Brown-spot Pinion
- Group
- Butterflies and moths
- Records since 2000
- 641
- Scientific name
- Agrochola litura
Confused Michaelmas-daisy
- Group
- Flowering plants
- Records since 2000
- 638
- Scientific name
- Symphyotrichum novi-belgii
Acromegalomma vesiculosum
- Group
- Worms (annelids)
- Records since 2000
- 636
- Peak month
- September
Sea Grapes, Molgula, Sea squirts
- Group
- Sea squirts
- Records since 2000
- 636
- Scientific name
- Molgula manhattensis
Screech Beetle
- Group
- Beetles
- Records since 2000
- 635
- Scientific name
- Hygrobia hermanni
Citrine Wagtail
- Group
- Birds
- Records since 2000
- 632
- Scientific name
- Motacilla citreola
Euchone rubrocincta
- Group
- Worms (annelids)
- Records since 2000
- 632
- Peak month
- September
Grey Tooth
- Group
- Fungi
- Records since 2000
- 632
- Scientific name
- Phellodon melaleucus
Peregriana peregra
- Group
- Molluscs
- Records since 2000
- 632
- Peak month
- September
Convex Lantern-shell
- Group
- Molluscs
- Records since 2000
- 630
- Scientific name
- Thracia convexa
Rhodophyllis divaricata
- Group
- Seaweeds and algae
- Records since 2000
- 630
- Peak month
- September
Crisia aculeata
- Group
- Bryozoans
- Records since 2000
- 629
- Peak month
- September
Amphora atomus
- Group
- Seaweeds and algae
- Records since 2000
- 626
- Peak month
- September
European Honey-buzzard
- Group
- Birds
- Records since 2000
- 620
- Scientific name
- Pernis apivorus
Marsh Sandpiper
- Group
- Birds
- Records since 2000
- 620
- Scientific name
- Tringa stagnatilis
Aphid
- Group
- True bugs
- Records since 2000
- 619
- Scientific name
- Pemphigus spyrothecae
Anacaena bipustulata
- Group
- Beetles
- Records since 2000
- 617
- Peak month
- September
Cruet Collar-moss
- Group
- Mosses
- Records since 2000
- 617
- Scientific name
- Splachnum ampullaceum
Common Spindle
- Group
- Molluscs
- Records since 2000
- 614
- Scientific name
- Colus gracilis
Japanese Quince
- Group
- Flowering plants
- Records since 2000
- 611
- Scientific name
- Chaenomeles japonica
Biocular leech
- Group
- Worms (annelids)
- Records since 2000
- 606
- Scientific name
- Helobdella stagnalis
Keeled Slug
- Group
- Molluscs
- Records since 2000
- 606
- Scientific name
- Tandonia sowerbyi
Ram's Horn Gall Wasp
- Group
- Bees, wasps and ants
- Records since 2000
- 604
- Scientific name
- Andricus aries
Gelidium pusillum
- Group
- Seaweeds and algae
- Records since 2000
- 602
- Peak month
- September
Green Ormer
- Group
- Molluscs
- Records since 2000
- 599
- Scientific name
- Haliotis tuberculata
The Flirt
- Group
- Fungi
- Records since 2000
- 598
- Scientific name
- Russula vesca
Northern Atlantic Hairy Hermit Crab
- Group
- Crustaceans
- Records since 2000
- 595
- Scientific name
- Pagurus pubescens
Leproplaca chrysodeta
- Group
- Lichens
- Records since 2000
- 593
- Peak month
- September
Eualus cranchii
- Group
- Crustaceans
- Records since 2000
- 591
- Peak month
- September