Leptocheirus hirsutimanus
- Group
- Crustaceans
- Records since 2000
- 2,848
- Peak month
- August
Unciola crenatipalma
- Group
- Crustaceans
- Records since 2000
- 2,843
- Peak month
- August
Lesser Swallow Prominent
- Group
- Butterflies and moths
- Records since 2000
- 2,833
- Scientific name
- Pheosia gnoma
Cryptopleura ramosa
- Group
- Seaweeds and algae
- Records since 2000
- 2,828
- Peak month
- August
Marsh Cudweed
- Group
- Flowering plants
- Records since 2000
- 2,822
- Scientific name
- Gnaphalium uliginosum
Megamphopus cornutus
- Group
- Crustaceans
- Records since 2000
- 2,806
- Peak month
- August
Prideaux's hermit crab
- Group
- Crustaceans
- Records since 2000
- 2,791
- Scientific name
- Pagurus prideaux
Spear-leaved Orache
- Group
- Flowering plants
- Records since 2000
- 2,790
- Scientific name
- Atriplex prostrata
American Thintail
- Group
- True flies
- Records since 2000
- 2,783
- Scientific name
- Meliscaeva cinctella
Sphaerodorum gracilis
- Group
- Worms (annelids)
- Records since 2000
- 2,770
- Peak month
- August
Cladophora rupestris
- Group
- Seaweeds and algae
- Records since 2000
- 2,725
- Peak month
- August
Exophiala xenobiotica
- Group
- Fungi
- Records since 2000
- 2,703
- Peak month
- August
Sugiura chengshanense
- Group
- Jellyfish, corals and anemones
- Records since 2000
- 2,700
- Peak month
- August
Fever Fly
- Group
- True flies
- Records since 2000
- 2,659
- Scientific name
- Dilophus febrilis
Turnip Sawfly
- Group
- Bees, wasps and ants
- Records since 2000
- 2,652
- Scientific name
- Athalia rosae
Knopper Gall
- Group
- Bees, wasps and ants
- Records since 2000
- 2,645
- Scientific name
- Andricus quercuscalicis
Furbelows
- Group
- Seaweeds and algae
- Records since 2000
- 2,637
- Scientific name
- Saccorhiza polyschides
Eusyllis blomstrandi
- Group
- Worms (annelids)
- Records since 2000
- 2,636
- Peak month
- August
New Zealand Pigmyweed
- Group
- Flowering plants
- Records since 2000
- 2,618
- Scientific name
- Crassula helmsii
Hoary Ragwort
- Group
- Flowering plants
- Records since 2000
- 2,595
- Scientific name
- Jacobaea erucifolia
Banded Sexton Beetle
- Group
- Beetles
- Records since 2000
- 2,587
- Scientific name
- Nicrophorus investigator
Great shearwater
- Group
- Birds
- Records since 2000
- 2,584
- Scientific name
- Puffinus gravis
Spio symphyta
- Group
- Worms (annelids)
- Records since 2000
- 2,571
- Peak month
- August
Apple Leaf Miner
- Group
- Butterflies and moths
- Records since 2000
- 2,556
- Scientific name
- Lyonetia clerkella
False Irish Moss
- Group
- Seaweeds and algae
- Records since 2000
- 2,553
- Scientific name
- Mastocarpus stellatus
Syrphus vitripennis
- Group
- True flies
- Records since 2000
- 2,549
- Peak month
- August
Pseudomystides limbata
- Group
- Worms (annelids)
- Records since 2000
- 2,539
- Peak month
- August
Little Seabristle
- Group
- Jellyfish, corals and anemones
- Records since 2000
- 2,524
- Scientific name
- Plumularia setacea
Cheilosia morio
- Group
- True flies
- Records since 2000
- 2,521
- Peak month
- August
Small Wainscot
- Group
- Butterflies and moths
- Records since 2000
- 2,507
- Scientific name
- Denticucullus pygmina
Microporella ciliata
- Group
- Bryozoans
- Records since 2000
- 2,506
- Peak month
- August
Epizoanthus couchii
- Group
- Jellyfish, corals and anemones
- Records since 2000
- 2,505
- Peak month
- August
Chone filicaudata
- Group
- Worms (annelids)
- Records since 2000
- 2,489
- Peak month
- August
Aesop Shrimp
- Group
- Crustaceans
- Records since 2000
- 2,474
- Scientific name
- Pandalus montagui
Broad-banded Aphideater
- Group
- True flies
- Records since 2000
- 2,474
- Scientific name
- Eupeodes latifasciatus
Common Hemp-nettle
- Group
- Flowering plants
- Records since 2000
- 2,467
- Scientific name
- Galeopsis tetrahit
Dark-footed harp ground beetle
- Group
- Beetles
- Records since 2000
- 2,462
- Scientific name
- Calathus fuscipes
Soapwort
- Group
- Flowering plants
- Records since 2000
- 2,459
- Scientific name
- Saponaria officinalis
Brown Hairstreak
- Group
- Butterflies and moths
- Records since 2000
- 2,458
- Scientific name
- Thecla betulae
Eunice vittata
- Group
- Worms (annelids)
- Records since 2000
- 2,458
- Peak month
- August
Beautiful Plume
- Group
- Butterflies and moths
- Records since 2000
- 2,457
- Scientific name
- Amblyptilia acanthadactyla
Iron Prominent
- Group
- Butterflies and moths
- Records since 2000
- 2,451
- Scientific name
- Notodonta dromedarius
Hornhand Sedgesitter
- Group
- True flies
- Records since 2000
- 2,435
- Scientific name
- Pyrophaena granditarsa
Copper Underwing
- Group
- Butterflies and moths
- Records since 2000
- 2,433
- Scientific name
- Amphipyra pyramidea
Apherusa bispinosa
- Group
- Crustaceans
- Records since 2000
- 2,431
- Peak month
- August
Spiny Squat lobster
- Group
- Crustaceans
- Records since 2000
- 2,427
- Scientific name
- Galathea strigosa
Seabuckthorn
- Group
- Flowering plants
- Records since 2000
- 2,425
- Scientific name
- Hippophae rhamnoides
Cranberry
- Group
- Flowering plants
- Records since 2000
- 2,409
- Scientific name
- Vaccinium oxycoccos