Amphicteis midas
- Group
- Worms (annelids)
- Records since 2000
- 867
- Peak month
- June
Curled Pondweed
- Group
- Flowering plants
- Records since 2000
- 861
- Scientific name
- Potamogeton crispus
Anapagurus hyndmanni
- Group
- Crustaceans
- Records since 2000
- 860
- Peak month
- June
Cantharis pallida
- Group
- Beetles
- Records since 2000
- 860
- Peak month
- June
Pilaria discicollis
- Group
- True flies
- Records since 2000
- 859
- Peak month
- June
Pachytodes cerambyciformis
- Group
- Beetles
- Records since 2000
- 855
- Peak month
- June
Mullein [moth]
- Group
- Butterflies and moths
- Records since 2000
- 854
- Scientific name
- Cucullia verbasci
Xysticus cristatus
- Group
- Spiders
- Records since 2000
- 853
- Peak month
- June
Enochrus coarctatus
- Group
- Beetles
- Records since 2000
- 850
- Peak month
- June
Post Dwarf Weaver
- Group
- Spiders
- Records since 2000
- 850
- Scientific name
- Erigone atra
Beraea pullata
- Group
- Caddisflies
- Records since 2000
- 847
- Peak month
- June
Annual Pearlwort
- Group
- Flowering plants
- Records since 2000
- 845
- Scientific name
- Sagina apetala
Atlantic Surf Clam
- Group
- Molluscs
- Records since 2000
- 840
- Scientific name
- Spisula solida
Large Ivy Tortrix
- Group
- Butterflies and moths
- Records since 2000
- 837
- Scientific name
- Lozotaenia forsterana
Polietes lardaria
- Group
- True flies
- Records since 2000
- 837
- Peak month
- June
Nototropis swammerdamei
- Group
- Crustaceans
- Records since 2000
- 835
- Peak month
- June
Grass Rivulet
- Group
- Butterflies and moths
- Records since 2000
- 834
- Scientific name
- Perizoma albulata
Acidostoma obesum
- Group
- Crustaceans
- Records since 2000
- 833
- Peak month
- June
Ampharete grubei
- Group
- Worms (annelids)
- Records since 2000
- 827
- Peak month
- June
Green Silver-Lines
- Group
- Butterflies and moths
- Records since 2000
- 825
- Scientific name
- Pseudoips prasinana
Trailing St John's-wort
- Group
- Flowering plants
- Records since 2000
- 825
- Scientific name
- Hypericum humifusum
Rove beetle
- Group
- Beetles
- Records since 2000
- 824
- Scientific name
- Mocyta fungi
Spike Woodrush
- Group
- Flowering plants
- Records since 2000
- 824
- Scientific name
- Luzula congesta
Bembidion varium
- Group
- Beetles
- Records since 2000
- 819
- Peak month
- June
Ribautiana debilis
- Group
- True bugs
- Records since 2000
- 817
- Peak month
- June
Metellina mengei
- Group
- Spiders
- Records since 2000
- 815
- Peak month
- June
Spiked Sedge
- Group
- Flowering plants
- Records since 2000
- 815
- Scientific name
- Carex spicata
Nettle Pollen Beetle
- Group
- Beetles
- Records since 2000
- 814
- Scientific name
- Brachypterus urticae
Clover Seed Weevil
- Group
- Beetles
- Records since 2000
- 811
- Scientific name
- Protapion assimile
Perapion curtirostre
- Group
- Beetles
- Records since 2000
- 808
- Peak month
- June
Lindenius albilabris
- Group
- Bees, wasps and ants
- Records since 2000
- 800
- Also known as
- a Digger wasp
Striped Ladybird
- Group
- Beetles
- Records since 2000
- 800
- Scientific name
- Myzia oblongoguttata
Common Whiskered Bat
- Group
- Mammals
- Records since 2000
- 798
- Scientific name
- Myotis mystacinus
Cypress Carpet
- Group
- Butterflies and moths
- Records since 2000
- 797
- Scientific name
- Thera cupressata
European dog tick
- Group
- Mites, harvestmen and other arachnids
- Records since 2000
- 797
- Scientific name
- Ixodes hexagonus
Coelostoma orbiculare
- Group
- Beetles
- Records since 2000
- 794
- Peak month
- June
Common Chthonid
- Group
- Mites, harvestmen and other arachnids
- Records since 2000
- 794
- Scientific name
- Chthonius ischnocheles
Notiphila riparia
- Group
- True flies
- Records since 2000
- 794
- Peak month
- June
Scolopostethus thomsoni
- Group
- True bugs
- Records since 2000
- 790
- Peak month
- June
Beech Leaf Miner
- Group
- Beetles
- Records since 2000
- 789
- Scientific name
- Orchestes fagi
Fan-bearing Wood-borer
- Group
- Beetles
- Records since 2000
- 789
- Scientific name
- Ptilinus pectinicornis
Bembidion articulatum
- Group
- Beetles
- Records since 2000
- 788
- Peak month
- June
Thelepus setosus
- Group
- Worms (annelids)
- Records since 2000
- 778
- Peak month
- June
Thistle Rust
- Group
- Fungi
- Records since 2000
- 776
- Scientific name
- Puccinia suaveolens
Ancistrosyllis groenlandica
- Group
- Worms (annelids)
- Records since 2000
- 775
- Peak month
- June
Ivy Broomrape
- Group
- Flowering plants
- Records since 2000
- 774
- Scientific name
- Orobanche hederae
Tench
- Group
- Fish
- Records since 2000
- 773
- Scientific name
- Tinca tinca
Tipula fascipennis
- Group
- True flies
- Records since 2000
- 773
- Peak month
- June