Righthanded Hermit Crab
- Group
- Crustaceans
- Records since 2000
- 709
- Scientific name
- Anapagurus laevis
Red Wasp
- Group
- Bees, wasps and ants
- Records since 2000
- 708
- Scientific name
- Vespula rufa
Shaggy Bracket
- Group
- Fungi
- Records since 2000
- 703
- Scientific name
- Inonotus hispidus
Bare-winged Halfband
- Group
- True flies
- Records since 2000
- 700
- Scientific name
- Melangyna umbellatarum
Socarnes erythrophthalmus
- Group
- Crustaceans
- Records since 2000
- 699
- Peak month
- August
Tall Sea Pen
- Group
- Jellyfish, corals and anemones
- Records since 2000
- 698
- Scientific name
- Funiculina quadrangularis
Perizoma didymata
- Group
- Butterflies and moths
- Records since 2000
- 697
- Peak month
- August
Tryphosites longipes
- Group
- Crustaceans
- Records since 2000
- 696
- Peak month
- August
Rigid Hornwort
- Group
- Flowering plants
- Records since 2000
- 691
- Scientific name
- Ceratophyllum demersum
Phasia obesa
- Group
- True flies
- Records since 2000
- 689
- Peak month
- August
Blue Water-speedwell
- Group
- Flowering plants
- Records since 2000
- 687
- Scientific name
- Veronica anagallis-aquatica
Psychoda gemina
- Group
- True flies
- Records since 2000
- 687
- Peak month
- August
Sea Mare's-tail
- Group
- Seaweeds and algae
- Records since 2000
- 681
- Scientific name
- Halurus equisetifolius
Pseudonotomastus southerni
- Group
- Worms (annelids)
- Records since 2000
- 680
- Peak month
- August
Cluster Cup Rust
- Group
- Fungi
- Records since 2000
- 679
- Scientific name
- Puccinia caricina
Dwarf weaver
- Group
- Spiders
- Records since 2000
- 679
- Scientific name
- Linyphia triangularis
Tawny-speckled Pug
- Group
- Butterflies and moths
- Records since 2000
- 675
- Scientific name
- Eupithecia icterata
Corynoptera globiformis
- Group
- True flies
- Records since 2000
- 674
- Peak month
- August
White-point
- Group
- Butterflies and moths
- Records since 2000
- 674
- Scientific name
- Mythimna albipuncta
Wood Small-reed
- Group
- Flowering plants
- Records since 2000
- 674
- Scientific name
- Calamagrostis epigejos
Many-seeded Goosefoot
- Group
- Flowering plants
- Records since 2000
- 672
- Scientific name
- Lipandra polysperma
Grass-leaved Orache
- Group
- Flowering plants
- Records since 2000
- 671
- Scientific name
- Atriplex littoralis
Parasitic fly
- Group
- True flies
- Records since 2000
- 671
- Scientific name
- Voria ruralis
Lesser Treble-bar
- Group
- Butterflies and moths
- Records since 2000
- 668
- Scientific name
- Aplocera efformata
Leach's Spider Crab
- Group
- Crustaceans
- Records since 2000
- 665
- Scientific name
- Inachus phalangium
Small White-line Dart
- Group
- Butterflies and moths
- Records since 2000
- 665
- Scientific name
- Euxoa tritici
Syllis pontxioi
- Group
- Worms (annelids)
- Records since 2000
- 665
- Peak month
- August
Tmetonyx similis
- Group
- Crustaceans
- Records since 2000
- 664
- Peak month
- August
Grey Bush Cricket
- Group
- Grasshoppers and crickets
- Records since 2000
- 661
- Scientific name
- Platycleis albopunctata
Pseudorthocladius filiformis
- Group
- True flies
- Records since 2000
- 661
- Peak month
- August
Coral worm
- Group
- Worms (annelids)
- Records since 2000
- 660
- Scientific name
- Filograna implexa
Eurydice spinigera
- Group
- Crustaceans
- Records since 2000
- 660
- Peak month
- August
Semipalmated Sandpiper
- Group
- Birds
- Records since 2000
- 660
- Scientific name
- Calidris pusilla
Ascidia conchilega
- Group
- Sea squirts
- Records since 2000
- 659
- Peak month
- August
Halopteris catharina
- Group
- Jellyfish, corals and anemones
- Records since 2000
- 659
- Peak month
- August
Puccinia obscura
- Group
- Fungi
- Records since 2000
- 657
- Peak month
- August
Broomrape
- Group
- Flowering plants
- Records since 2000
- 656
- Scientific name
- Odontites vulgaris
Didea fasciata
- Group
- True flies
- Records since 2000
- 656
- Peak month
- August
Perennial Wall-rocket
- Group
- Flowering plants
- Records since 2000
- 656
- Scientific name
- Diplotaxis tenuifolia
Common Dumble Dor
- Group
- Beetles
- Records since 2000
- 653
- Scientific name
- Geotrupes spiniger
Hesiospina aurantiaca
- Group
- Worms (annelids)
- Records since 2000
- 652
- Peak month
- August
Smooth blind shell
- Group
- Molluscs
- Records since 2000
- 650
- Scientific name
- Caecum glabrum
Bright Four-spined Legionnaire
- Group
- True flies
- Records since 2000
- 648
- Scientific name
- Chorisops nagatomii
Small Teasel
- Group
- Flowering plants
- Records since 2000
- 647
- Scientific name
- Dipsacus pilosus
Alternate Water-milfoil
- Group
- Flowering plants
- Records since 2000
- 646
- Scientific name
- Myriophyllum alterniflorum
Polypedilum sordens
- Group
- True flies
- Records since 2000
- 644
- Peak month
- August
Amandinea pelidna
- Group
- Lichens
- Records since 2000
- 643
- Peak month
- August
Bilbao Fleabane
- Group
- Flowering plants
- Records since 2000
- 643
- Scientific name
- Erigeron floribundus