Common Swift
- Group
- Birds
- Records since 2000
- 397,376
- Scientific name
- Apus apus
Small Heath
- Group
- Butterflies and moths
- Records since 2000
- 347,993
- Scientific name
- Coenonympha pamphilus
Common Blue Damselfly
- Group
- Dragonflies and damselflies
- Records since 2000
- 163,490
- Scientific name
- Enallagma cyathigerum
Blue-tailed Damselfly
- Group
- Dragonflies and damselflies
- Records since 2000
- 144,041
- Scientific name
- Ischnura elegans
Azure Damselfly
- Group
- Dragonflies and damselflies
- Records since 2000
- 143,944
- Scientific name
- Coenagrion puella
Black-legged Kittiwake
- Group
- Birds
- Records since 2000
- 94,955
- Scientific name
- Rissa tridactyla
Four-spotted Chaser
- Group
- Dragonflies and damselflies
- Records since 2000
- 79,037
- Scientific name
- Libellula quadrimaculata
Corn Crake
- Group
- Birds
- Records since 2000
- 76,750
- Scientific name
- Crex crex
Banded Demoiselle
- Group
- Dragonflies and damselflies
- Records since 2000
- 75,531
- Scientific name
- Calopteryx splendens
Razorbill
- Group
- Birds
- Records since 2000
- 66,509
- Scientific name
- Alca torda
Broad-bodied Chaser
- Group
- Dragonflies and damselflies
- Records since 2000
- 58,431
- Scientific name
- Libellula depressa
Common Nettle
- Group
- Flowering plants
- Records since 2000
- 53,331
- Scientific name
- Urtica dioica
Red-eyed Damselfly
- Group
- Dragonflies and damselflies
- Records since 2000
- 40,953
- Scientific name
- Erythromma najas
Ribwort Plantain
- Group
- Flowering plants
- Records since 2000
- 39,026
- Scientific name
- Plantago lanceolata
Hogweed
- Group
- Flowering plants
- Records since 2000
- 38,903
- Scientific name
- Heracleum sphondylium
Atlantic Puffin
- Group
- Birds
- Records since 2000
- 38,357
- Scientific name
- Fratercula arctica
Early Bumble Bee
- Group
- Bees, wasps and ants
- Records since 2000
- 38,075
- Scientific name
- Bombus pratorum
Tree Bumblebee
- Group
- Bees, wasps and ants
- Records since 2000
- 35,931
- Scientific name
- Bombus hypnorum
Creeping Buttercup
- Group
- Flowering plants
- Records since 2000
- 35,825
- Scientific name
- Ranunculus repens
Ash
- Group
- Flowering plants
- Records since 2000
- 35,025
- Scientific name
- Fraxinus excelsior
Beautiful Damselfly
- Group
- Dragonflies and damselflies
- Records since 2000
- 33,565
- Scientific name
- Calopteryx virgo
White Clover
- Group
- Flowering plants
- Records since 2000
- 31,709
- Scientific name
- Trifolium repens
Japanese Knotweed
- Group
- Flowering plants
- Records since 2000
- 30,167
- Scientific name
- Reynoutria japonica
Yorkshire-fog
- Group
- Flowering plants
- Records since 2000
- 29,834
- Scientific name
- Holcus lanatus
Cock's-foot
- Group
- Flowering plants
- Records since 2000
- 28,426
- Scientific name
- Dactylis glomerata
Elder
- Group
- Flowering plants
- Records since 2000
- 28,375
- Scientific name
- Sambucus nigra
Two-spot Ladybird
- Group
- Beetles
- Records since 2000
- 28,081
- Scientific name
- Adalia bipunctata
Giant Hogweed
- Group
- Flowering plants
- Records since 2000
- 27,203
- Scientific name
- Heracleum mantegazzianum
Cuckoo-spit Insect
- Group
- True bugs
- Records since 2000
- 25,331
- Scientific name
- Philaenus spumarius
Small Garden Bumble Bee
- Group
- Bees, wasps and ants
- Records since 2000
- 24,422
- Scientific name
- Bombus hortorum
Small Blue
- Group
- Butterflies and moths
- Records since 2000
- 24,267
- Scientific name
- Cupido minimus
Common Bird's-foot-trefoil
- Group
- Flowering plants
- Records since 2000
- 24,100
- Scientific name
- Lotus corniculatus
Garden Snail
- Group
- Molluscs
- Records since 2000
- 23,914
- Scientific name
- Cornu aspersum
Red Clover
- Group
- Flowering plants
- Records since 2000
- 23,504
- Scientific name
- Trifolium pratense
Small Pearl-bordered Fritillary
- Group
- Butterflies and moths
- Records since 2000
- 22,974
- Scientific name
- Boloria selene
False Oil Beetle
- Group
- Beetles
- Records since 2000
- 21,524
- Scientific name
- Oedemera nobilis
Meadow Buttercup
- Group
- Flowering plants
- Records since 2000
- 20,980
- Scientific name
- Ranunculus acris
Tormentil
- Group
- Flowering plants
- Records since 2000
- 20,922
- Scientific name
- Potentilla erecta
Garden Sorrel
- Group
- Flowering plants
- Records since 2000
- 20,829
- Scientific name
- Rumex acetosa
Bracken
- Group
- Ferns and horsetails
- Records since 2000
- 20,814
- Scientific name
- Pteridium aquilinum
Sweet Vernal Grass
- Group
- Flowering plants
- Records since 2000
- 20,537
- Scientific name
- Anthoxanthum odoratum
Lesser Horseshoe Bat
- Group
- Mammals
- Records since 2000
- 19,920
- Scientific name
- Rhinolophus hipposideros
Bristleworm
- Group
- Worms (annelids)
- Records since 2000
- 19,007
- Scientific name
- Mediomastus fragilis
Common Mussel
- Group
- Molluscs
- Records since 2000
- 18,892
- Scientific name
- Mytilus edulis
Common Mouse-ear
- Group
- Flowering plants
- Records since 2000
- 18,442
- Scientific name
- Cerastium fontanum
Common Urchin
- Group
- Starfish and sea urchins
- Records since 2000
- 18,230
- Scientific name
- Echinus esculentus
Foxglove
- Group
- Flowering plants
- Records since 2000
- 17,704
- Scientific name
- Digitalis purpurea
Heart and Dart
- Group
- Butterflies and moths
- Records since 2000
- 17,584
- Scientific name
- Agrotis exclamationis