Glistenworm
- Group
- Molluscs
- Records since 2000
- 1,103
- Scientific name
- Falcidens crossotus
Daddy Longleg
- Group
- Mites, harvestmen and other arachnids
- Records since 2000
- 1,100
- Scientific name
- Phalangium opilio
Tortricid moth
- Group
- Butterflies and moths
- Records since 2000
- 1,100
- Scientific name
- Cochylis atricapitana
Epitriptus cingulatus
- Group
- True flies
- Records since 2000
- 1,089
- Peak month
- August
Horseman anemone
- Group
- Jellyfish, corals and anemones
- Records since 2000
- 1,088
- Scientific name
- Urticina eques
Bougainvillia principis
- Group
- Jellyfish, corals and anemones
- Records since 2000
- 1,086
- Peak month
- August
Wallemia sebi
- Group
- Fungi
- Records since 2000
- 1,085
- Peak month
- August
Dicranopalpus ramosus
- Group
- Mites, harvestmen and other arachnids
- Records since 2000
- 1,082
- Peak month
- August
Aspergillus ruber
- Group
- Fungi
- Records since 2000
- 1,081
- Peak month
- August
Toothed Pouncewort
- Group
- Liverworts
- Records since 2000
- 1,081
- Scientific name
- Drepanolejeunea hamatifolia
Dark Groundling
- Group
- Butterflies and moths
- Records since 2000
- 1,080
- Scientific name
- Bryotropha affinis
Didymella fucicola
- Group
- Fungi
- Records since 2000
- 1,080
- Peak month
- August
Knobbed brain coral
- Group
- Jellyfish, corals and anemones
- Records since 2000
- 1,080
- Scientific name
- Pseudodiploria clivosa
Orthopyxis sargassicola
- Group
- Jellyfish, corals and anemones
- Records since 2000
- 1,080
- Peak month
- August
Pinkmouth Hydroid
- Group
- Jellyfish, corals and anemones
- Records since 2000
- 1,080
- Scientific name
- Ectopleura crocea
Plume hydroid
- Group
- Jellyfish, corals and anemones
- Records since 2000
- 1,080
- Scientific name
- Aglaophenia tubulifera
Rhodotorula sphaerocarpa
- Group
- Fungi
- Records since 2000
- 1,080
- Peak month
- August
Bream
- Group
- Fish
- Records since 2000
- 1,078
- Scientific name
- Abramis brama
Swedish whitebeam
- Group
- Flowering plants
- Records since 2000
- 1,076
- Scientific name
- Scandosorbus intermedia
Thorn-apple
- Group
- Flowering plants
- Records since 2000
- 1,075
- Scientific name
- Datura stramonium
Rubus horrefactus
- Group
- Flowering plants
- Records since 2000
- 1,072
- Peak month
- August
Thin Tellin
- Group
- Molluscs
- Records since 2000
- 1,069
- Scientific name
- Macomangulus tenuis
Megaselia pleuralis
- Group
- True flies
- Records since 2000
- 1,064
- Peak month
- August
Maerella tenuimana
- Group
- Crustaceans
- Records since 2000
- 1,056
- Peak month
- August
Angular Crab
- Group
- Crustaceans
- Records since 2000
- 1,046
- Scientific name
- Goneplax rhomboides
Shore Feather Duster Worm
- Group
- Worms (annelids)
- Records since 2000
- 1,044
- Scientific name
- Branchiomma bombyx
Creeping Bell Hydroid
- Group
- Jellyfish, corals and anemones
- Records since 2000
- 1,040
- Scientific name
- Calycella syringa
Turbicellepora avicularis
- Group
- Bryozoans
- Records since 2000
- 1,039
- Peak month
- August
Stenodema holsata
- Group
- True bugs
- Records since 2000
- 1,034
- Peak month
- August
Callopora dumerilii
- Group
- Bryozoans
- Records since 2000
- 1,030
- Peak month
- August
Pennant's nut crab
- Group
- Crustaceans
- Records since 2000
- 1,026
- Scientific name
- Ebalia tuberosa
Slender Rush
- Group
- Flowering plants
- Records since 2000
- 1,026
- Scientific name
- Juncus tenuis
Blunt tellin
- Group
- Molluscs
- Records since 2000
- 1,024
- Scientific name
- Arcopagia crassa
Haliplus sibiricus
- Group
- Beetles
- Records since 2000
- 1,021
- Peak month
- August
Leiochone johnstoni
- Group
- Worms (annelids)
- Records since 2000
- 1,019
- Peak month
- August
Girdled Colletes
- Group
- Bees, wasps and ants
- Records since 2000
- 1,013
- Scientific name
- Colletes succinctus
Calocaris macandreae
- Group
- Crustaceans
- Records since 2000
- 1,010
- Peak month
- August
Araneus quadratus
- Group
- Spiders
- Records since 2000
- 1,008
- Peak month
- August
Graptodytes pictus
- Group
- Beetles
- Records since 2000
- 1,008
- Peak month
- August
Pododesmus patelliformis
- Group
- Molluscs
- Records since 2000
- 1,005
- Peak month
- August
Common Crimson-and-gold Moth
- Group
- Butterflies and moths
- Records since 2000
- 1,002
- Scientific name
- Pyrausta purpuralis
Phaonia angelicae
- Group
- True flies
- Records since 2000
- 1,001
- Peak month
- August
Least Yellow Underwing
- Group
- Butterflies and moths
- Records since 2000
- 1,000
- Scientific name
- Noctua interjecta
Figwort sawfly
- Group
- Bees, wasps and ants
- Records since 2000
- 993
- Scientific name
- Tenthredo scrophulariae
Tenuiphantes zimmermanni
- Group
- Spiders
- Records since 2000
- 991
- Peak month
- August
Chinese bramble
- Group
- Flowering plants
- Records since 2000
- 990
- Scientific name
- Rubus tricolor
Purple Small-reed
- Group
- Flowering plants
- Records since 2000
- 989
- Scientific name
- Calamagrostis canescens
Clover Cutworm
- Group
- Butterflies and moths
- Records since 2000
- 984
- Scientific name
- Anarta trifolii