Bootlace Worm
- Group
- Other invertebrates
- Records since 2000
- 772
- Scientific name
- Lineus longissimus
Chabot Bullhead
- Group
- Fish
- Records since 2000
- 772
- Scientific name
- Cottus perifretum
Helina depuncta
- Group
- True flies
- Records since 2000
- 771
- Peak month
- June
Cinerous Pearl
- Group
- Butterflies and moths
- Records since 2000
- 770
- Scientific name
- Anania fuscalis
Apron-ribbon vegetable, Asian kelp
- Group
- Seaweeds and algae
- Records since 2000
- 766
- Scientific name
- Undaria pinnatifida
Common scorpionfly
- Group
- Other insects
- Records since 2000
- 766
- Scientific name
- Panorpa communis
Brown Sedge
- Group
- Flowering plants
- Records since 2000
- 765
- Scientific name
- Carex disticha
Alpine Bistort
- Group
- Flowering plants
- Records since 2000
- 761
- Scientific name
- Bistorta vivipara
Bembidion decorum
- Group
- Beetles
- Records since 2000
- 761
- Peak month
- June
Black Colonel
- Group
- True flies
- Records since 2000
- 761
- Scientific name
- Odontomyia tigrina
Common Shorebug
- Group
- True bugs
- Records since 2000
- 758
- Scientific name
- Saldula saltatoria
Opetia nigra
- Group
- True flies
- Records since 2000
- 756
- Peak month
- June
Megaselia pumila
- Group
- True flies
- Records since 2000
- 752
- Peak month
- June
Tanytarsus lestagei
- Group
- True flies
- Records since 2000
- 752
- Peak month
- June
Bembidion punctulatum
- Group
- Beetles
- Records since 2000
- 751
- Peak month
- June
Snouted Duck Fly
- Group
- True flies
- Records since 2000
- 748
- Scientific name
- Eurimyia lineatus
Red jasmine
- Group
- Flowering plants
- Records since 2000
- 746
- Scientific name
- Jasminum beesianum
Lejogaster metallina
- Group
- True flies
- Records since 2000
- 745
- Peak month
- June
Garden Cosmet
- Group
- Butterflies and moths
- Records since 2000
- 744
- Scientific name
- Mompha subbistrigella
Black-horned Cleg
- Group
- True flies
- Records since 2000
- 743
- Scientific name
- Haematopota crassicornis
Juniper Prongwort
- Group
- Liverworts
- Records since 2000
- 743
- Scientific name
- Herbertus hutchinsiae
Tawny Marbled Minor
- Group
- Butterflies and moths
- Records since 2000
- 742
- Scientific name
- Oligia latruncula
Great Sundew
- Group
- Flowering plants
- Records since 2000
- 741
- Scientific name
- Drosera anglica
Altica lythri
- Group
- Beetles
- Records since 2000
- 740
- Peak month
- June
Fixsenia pruni
- Group
- Butterflies and moths
- Records since 2000
- 738
- Peak month
- June
Bushy Red Weed
- Group
- Seaweeds and algae
- Records since 2000
- 736
- Scientific name
- Cystoclonium purpureum
Common Valve Snail
- Group
- Molluscs
- Records since 2000
- 735
- Scientific name
- Valvata piscinalis
Meadow oat grass
- Group
- Flowering plants
- Records since 2000
- 735
- Scientific name
- Helictochloa pratensis
Nephromopsis chlorophylla
- Group
- Lichens
- Records since 2000
- 734
- Peak month
- June
Weevil
- Group
- Beetles
- Records since 2000
- 733
- Scientific name
- Rhinocyllus conicus
Anthomyza collini
- Group
- True flies
- Records since 2000
- 731
- Peak month
- June
London riverbank ground beetle
- Group
- Beetles
- Records since 2000
- 730
- Scientific name
- Trechus obtusus
Malthinus flaveolus
- Group
- Beetles
- Records since 2000
- 730
- Peak month
- June
Sandy Carpet
- Group
- Butterflies and moths
- Records since 2000
- 730
- Scientific name
- Perizoma flavofasciata
Chequered Click Beetle
- Group
- Beetles
- Records since 2000
- 728
- Scientific name
- Prosternon tessellatum
Impunctate Mini-miner
- Group
- Bees, wasps and ants
- Records since 2000
- 728
- Scientific name
- Andrena subopaca
Striped Millipede
- Group
- Millipedes
- Records since 2000
- 727
- Scientific name
- Ommatoiulus sabulosus
Hyaline Masked Bee
- Group
- Bees, wasps and ants
- Records since 2000
- 726
- Scientific name
- Hylaeus hyalinatus
Sympycnus pulicarius
- Group
- True flies
- Records since 2000
- 726
- Peak month
- June
Wild Pansy
- Group
- Flowering plants
- Records since 2000
- 725
- Scientific name
- Viola tricolor
Anoplius nigerrimus
- Group
- Bees, wasps and ants
- Records since 2000
- 720
- Peak month
- June
Hercostomus aerosus
- Group
- True flies
- Records since 2000
- 720
- Peak month
- June
Dioecious Sedge
- Group
- Flowering plants
- Records since 2000
- 717
- Scientific name
- Carex dioica
Jewel reed beetle
- Group
- Beetles
- Records since 2000
- 717
- Scientific name
- Plateumaris sericea
Coenia palustris
- Group
- True flies
- Records since 2000
- 716
- Peak month
- June
Lesteva sicula
- Group
- Beetles
- Records since 2000
- 716
- Peak month
- June
Common Meadow-rue
- Group
- Flowering plants
- Records since 2000
- 711
- Scientific name
- Thalictrum flavum
Drosophila subobscura
- Group
- True flies
- Records since 2000
- 711
- Peak month
- June