Birch Catkin Weevil
- Group
- Beetles
- Records since 2000
- 520
- Scientific name
- Betulapion simile
Sharp-Angled Peacock
- Group
- Butterflies and moths
- Records since 2000
- 519
- Scientific name
- Macaria alternata
China Limpet
- Group
- Molluscs
- Records since 2000
- 516
- Scientific name
- Patella ulyssiponensis
Bristly mail chiton
- Group
- Molluscs
- Records since 2000
- 515
- Scientific name
- Acanthochitona crinita
Wax Moth
- Group
- Butterflies and moths
- Records since 2000
- 514
- Scientific name
- Galleria mellonella
Adriatic Mussel
- Group
- Molluscs
- Records since 2000
- 512
- Scientific name
- Modiolus adriaticus
Damsel bug
- Group
- True bugs
- Records since 2000
- 510
- Scientific name
- Himacerus major
Kroyera carinata
- Group
- Crustaceans
- Records since 2000
- 510
- Peak month
- August
Lagenipora lepralioides
- Group
- Bryozoans
- Records since 2000
- 510
- Peak month
- August
Phoronid
- Group
- Other invertebrates
- Records since 2000
- 510
- Scientific name
- Phoronis hippocrepia
Orange Sea Lichen
- Group
- Lichens
- Records since 2000
- 509
- Scientific name
- Flavoplaca marina
Puccinia acetosae
- Group
- Fungi
- Records since 2000
- 509
- Peak month
- August
Ramalina subfarinacea
- Group
- Lichens
- Records since 2000
- 509
- Peak month
- August
Common wall lizard
- Group
- Reptiles
- Records since 2000
- 508
- Scientific name
- Podarcis muralis
Halopteris filicina
- Group
- Seaweeds and algae
- Records since 2000
- 508
- Peak month
- August
Xanthoria aureola
- Group
- Lichens
- Records since 2000
- 508
- Peak month
- August
Haworth's Minor
- Group
- Butterflies and moths
- Records since 2000
- 506
- Scientific name
- Celaena haworthii
Lanassa venusta
- Group
- Worms (annelids)
- Records since 2000
- 499
- Peak month
- August
Wood Cricket
- Group
- Grasshoppers and crickets
- Records since 2000
- 499
- Scientific name
- Nemobius sylvestris
Nodding Bur-marigold
- Group
- Flowering plants
- Records since 2000
- 498
- Scientific name
- Bidens cernua
Straw Conch
- Group
- Butterflies and moths
- Records since 2000
- 498
- Scientific name
- Cochylimorpha straminea
Small Birch Bell
- Group
- Butterflies and moths
- Records since 2000
- 496
- Scientific name
- Epinotia ramella
The sallow
- Group
- Butterflies and moths
- Records since 2000
- 494
- Scientific name
- Xanthia icteritia
Acrosorium ciliolatum
- Group
- Seaweeds and algae
- Records since 2000
- 492
- Peak month
- August
Amathia citrina
- Group
- Bryozoans
- Records since 2000
- 490
- Peak month
- August
Eulalia aurea
- Group
- Worms (annelids)
- Records since 2000
- 488
- Peak month
- August
Suberites pagurorum
- Group
- Sponges
- Records since 2000
- 488
- Peak month
- August
Eulima bilineata
- Group
- Molluscs
- Records since 2000
- 487
- Peak month
- August
Greater Water-parsnip
- Group
- Flowering plants
- Records since 2000
- 487
- Scientific name
- Sium latifolium
Holocentropus picicornis
- Group
- Caddisflies
- Records since 2000
- 486
- Peak month
- August
Dace
- Group
- Fish
- Records since 2000
- 484
- Scientific name
- Leuciscus leuciscus
Flossflower
- Group
- Flowering plants
- Records since 2000
- 480
- Scientific name
- Ageratum houstonianum
Rufous Grasshopper
- Group
- Grasshoppers and crickets
- Records since 2000
- 480
- Scientific name
- Gomphocerippus rufus
Corynoneura coronata
- Group
- True flies
- Records since 2000
- 479
- Peak month
- August
Eurasian water shrew
- Group
- Mammals
- Records since 2000
- 478
- Scientific name
- Neomys fodiens
Hoary Footman
- Group
- Butterflies and moths
- Records since 2000
- 477
- Scientific name
- Eilema caniola
Walnut Blister Mite
- Group
- Mites, harvestmen and other arachnids
- Records since 2000
- 477
- Scientific name
- Aceria erinea
Melampsora caprearum
- Group
- Fungi
- Records since 2000
- 475
- Peak month
- August
Stilt Sandpiper
- Group
- Birds
- Records since 2000
- 473
- Scientific name
- Calidris himantopus
Cochylis molliculana
- Group
- Butterflies and moths
- Records since 2000
- 472
- Peak month
- August
Conops flavipes
- Group
- True flies
- Records since 2000
- 470
- Peak month
- August
Pine Cone Bug
- Group
- True bugs
- Records since 2000
- 468
- Scientific name
- Gastrodes grossipes
Livia junci
- Group
- True bugs
- Records since 2000
- 467
- Peak month
- August
Rhopalus parumpunctatus
- Group
- True bugs
- Records since 2000
- 464
- Peak month
- August
Sarcophaga crassimargo
- Group
- True flies
- Records since 2000
- 462
- Peak month
- August
Doubled Ribbon Weed
- Group
- Seaweeds and algae
- Records since 2000
- 460
- Scientific name
- Ulva linza
Diplonevra pilosella
- Group
- True flies
- Records since 2000
- 459
- Peak month
- August
Gorse Orb-weaver
- Group
- Spiders
- Records since 2000
- 458
- Scientific name
- Agalenatea redii