Dunlin
- Group
- Birds
- Records since 2000
- 190,336
- Scientific name
- Calidris alpina
European plaice, Plaice
- Group
- Fish
- Records since 2000
- 182,165
- Scientific name
- Pleuronectes platessa
Eurasian red squirrel
- Group
- Mammals
- Records since 2000
- 158,364
- Scientific name
- Sciurus vulgaris
Common Kingfisher
- Group
- Birds
- Records since 2000
- 140,284
- Scientific name
- Alcedo atthis
Migrant Hawker
- Group
- Dragonflies and damselflies
- Records since 2000
- 82,033
- Scientific name
- Aeshna mixta
Dragonet
- Group
- Fish
- Records since 2000
- 70,729
- Scientific name
- Callionymus lyra
Ruff
- Group
- Birds
- Records since 2000
- 67,669
- Scientific name
- Calidris pugnax
Bar-tailed Godwit
- Group
- Birds
- Records since 2000
- 65,771
- Scientific name
- Limosa lapponica
Common sole, Sole
- Group
- Fish
- Records since 2000
- 63,582
- Scientific name
- Solea solea
Sanderling
- Group
- Birds
- Records since 2000
- 56,821
- Scientific name
- Calidris alba
Red Knot
- Group
- Birds
- Records since 2000
- 53,928
- Scientific name
- Calidris canutus
Thornback Ray
- Group
- Fish
- Records since 2000
- 52,526
- Scientific name
- Raja clavata
New Zealand Mudsnail
- Group
- Molluscs
- Records since 2000
- 44,337
- Scientific name
- Potamopyrgus antipodarum
Spotted Ray
- Group
- Fish
- Records since 2000
- 42,579
- Scientific name
- Raja montagui
Dangling Swamp-lover
- Group
- True flies
- Records since 2000
- 34,301
- Scientific name
- Helophilus pendulus
Whinchat
- Group
- Birds
- Records since 2000
- 28,416
- Scientific name
- Saxicola rubetra
Great Skua
- Group
- Birds
- Records since 2000
- 28,354
- Scientific name
- Stercorarius skua
Spotted Redshank
- Group
- Birds
- Records since 2000
- 28,229
- Scientific name
- Tringa erythropus
Parasitic Jaeger
- Group
- Birds
- Records since 2000
- 26,147
- Scientific name
- Stercorarius parasiticus
Bullhead
- Group
- Fish
- Records since 2000
- 24,457
- Scientific name
- Cottus gobio
Scaldfish
- Group
- Fish
- Records since 2000
- 22,509
- Scientific name
- Arnoglossus laterna
Solenette
- Group
- Fish
- Records since 2000
- 22,096
- Scientific name
- Buglossidium luteum
Queen Scallop
- Group
- Molluscs
- Records since 2000
- 21,571
- Scientific name
- Aequipecten opercularis
Cinnamon Sedge
- Group
- Caddisflies
- Records since 2000
- 18,706
- Scientific name
- Limnephilus lunatus
Hook-nose
- Group
- Fish
- Records since 2000
- 18,129
- Scientific name
- Agonus cataphractus
Starry smooth-hound
- Group
- Fish
- Records since 2000
- 16,798
- Scientific name
- Mustelus asterias
Curlew Sandpiper
- Group
- Birds
- Records since 2000
- 16,711
- Scientific name
- Calidris ferruginea
Blackbelly rosefish, Blue-mouth
- Group
- Fish
- Records since 2000
- 16,411
- Scientific name
- Helicolenus dactylopterus
Green Emerald Damselfly
- Group
- Dragonflies and damselflies
- Records since 2000
- 15,887
- Scientific name
- Chalcolestes viridis
Little Stint
- Group
- Birds
- Records since 2000
- 15,586
- Scientific name
- Calidris minuta
European Hornet
- Group
- Bees, wasps and ants
- Records since 2000
- 14,599
- Scientific name
- Vespa crabro
Hawthorn Shieldbug
- Group
- True bugs
- Records since 2000
- 14,450
- Scientific name
- Acanthosoma haemorrhoidale
Silver Sedge
- Group
- Caddisflies
- Records since 2000
- 13,603
- Scientific name
- Odontocerum albicorne
Hydropsyche pellucidula
- Group
- Caddisflies
- Records since 2000
- 13,302
- Peak month
- September
Square-spot Rustic
- Group
- Butterflies and moths
- Records since 2000
- 12,981
- Scientific name
- Xestia xanthographa
Tub gurnard
- Group
- Fish
- Records since 2000
- 12,004
- Scientific name
- Chelidonichthys lucerna
Endive Pellia
- Group
- Liverworts
- Records since 2000
- 11,837
- Scientific name
- Apopellia endiviifolia
Lesser Yellow Underwing
- Group
- Butterflies and moths
- Records since 2000
- 11,818
- Scientific name
- Noctua comes
Atlantic spider crab
- Group
- Crustaceans
- Records since 2000
- 11,797
- Scientific name
- Maja brachydactyla
Calanus helgolandicus
- Group
- Crustaceans
- Records since 2000
- 11,552
- Peak month
- September
Slipper Limpet, Slipper shell, Oyster-pest, Common Atlantic slippersnail
- Group
- Molluscs
- Records since 2000
- 10,927
- Scientific name
- Crepidula fornicata
Ivy Bee
- Group
- Bees, wasps and ants
- Records since 2000
- 10,833
- Scientific name
- Colletes hederae
Common Marbled Carpet
- Group
- Butterflies and moths
- Records since 2000
- 10,539
- Scientific name
- Dysstroma truncata
Wood mouse
- Group
- Mammals
- Records since 2000
- 10,137
- Scientific name
- Apodemus sylvaticus
Black Tern
- Group
- Birds
- Records since 2000
- 10,051
- Scientific name
- Chlidonias niger
Signal Crayfish
- Group
- Crustaceans
- Records since 2000
- 9,579
- Scientific name
- Pacifastacus leniusculus
Glossy Ibis
- Group
- Birds
- Records since 2000
- 9,557
- Scientific name
- Plegadis falcinellus
Rusty Swan-neck Moss
- Group
- Mosses
- Records since 2000
- 8,651
- Scientific name
- Campylopus flexuosus