Bearded Reedling
- Group
- Birds
- Records since 2000
- 33,456
- Scientific name
- Panurus biarmicus
Hazel
- Group
- Flowering plants
- Records since 2000
- 33,120
- Scientific name
- Corylus avellana
Corn bunting
- Group
- Birds
- Records since 2000
- 32,362
- Scientific name
- Emberiza calandra
White-throated Dipper
- Group
- Birds
- Records since 2000
- 32,318
- Scientific name
- Cinclus cinclus
Herb-Robert
- Group
- Flowering plants
- Records since 2000
- 31,116
- Scientific name
- Geranium robertianum
Great Bittern
- Group
- Birds
- Records since 2000
- 30,985
- Scientific name
- Botaurus stellaris
Green Hairstreak
- Group
- Butterflies and moths
- Records since 2000
- 30,308
- Scientific name
- Callophrys rubi
Cow Parsley
- Group
- Flowering plants
- Records since 2000
- 29,713
- Scientific name
- Anthriscus sylvestris
European otter
- Group
- Mammals
- Records since 2000
- 28,426
- Scientific name
- Lutra lutra
Red Campion
- Group
- Flowering plants
- Records since 2000
- 28,333
- Scientific name
- Silene dioica
Black Guillemot
- Group
- Birds
- Records since 2000
- 27,934
- Scientific name
- Cepphus grylle
Wood Avens
- Group
- Flowering plants
- Records since 2000
- 26,690
- Scientific name
- Geum urbanum
Beech
- Group
- Flowering plants
- Records since 2000
- 26,555
- Scientific name
- Fagus sylvatica
Tree Pipit
- Group
- Birds
- Records since 2000
- 26,173
- Scientific name
- Anthus trivialis
Cuckooflower
- Group
- Flowering plants
- Records since 2000
- 25,770
- Scientific name
- Cardamine pratensis
14-spotted Ladybird Beetle
- Group
- Beetles
- Records since 2000
- 25,758
- Scientific name
- Propylaea quatuordecimpunctata
Stock bug
- Group
- True bugs
- Records since 2000
- 23,298
- Scientific name
- Coreus marginatus
Grizzled Skipper
- Group
- Butterflies and moths
- Records since 2000
- 23,173
- Scientific name
- Pyrgus malvae
Broad-leaved Dock
- Group
- Flowering plants
- Records since 2000
- 22,935
- Scientific name
- Rumex obtusifolius
Garganey
- Group
- Birds
- Records since 2000
- 21,932
- Scientific name
- Spatula querquedula
Hairy Shieldbug
- Group
- True bugs
- Records since 2000
- 21,763
- Scientific name
- Dolycoris baccarum
Red-crested Pochard
- Group
- Birds
- Records since 2000
- 21,379
- Scientific name
- Netta rufina
Germander Speedwell
- Group
- Flowering plants
- Records since 2000
- 21,208
- Scientific name
- Veronica chamaedrys
Hairy Dragonfly
- Group
- Dragonflies and damselflies
- Records since 2000
- 20,883
- Scientific name
- Brachytron pratense
Little Tern
- Group
- Birds
- Records since 2000
- 20,325
- Scientific name
- Sternula albifrons
Field Maple
- Group
- Flowering plants
- Records since 2000
- 19,098
- Scientific name
- Acer campestre
European Pied Flycatcher
- Group
- Birds
- Records since 2000
- 18,794
- Scientific name
- Ficedula hypoleuca
Brown Lipped Snail
- Group
- Molluscs
- Records since 2000
- 18,559
- Scientific name
- Cepaea nemoralis
Bluebell
- Group
- Flowering plants
- Records since 2000
- 17,510
- Scientific name
- Hyacinthoides non-scripta
Ramsons
- Group
- Flowering plants
- Records since 2000
- 16,569
- Scientific name
- Allium ursinum
Slow worm
- Group
- Reptiles
- Records since 2000
- 15,975
- Scientific name
- Anguis fragilis
Hart's-tongue
- Group
- Ferns and horsetails
- Records since 2000
- 15,670
- Scientific name
- Asplenium scolopendrium
Wood Lark
- Group
- Birds
- Records since 2000
- 15,459
- Scientific name
- Lullula arborea
Horse-chestnut [tree]
- Group
- Flowering plants
- Records since 2000
- 15,030
- Scientific name
- Aesculus hippocastanum
Smooth Newt
- Group
- Amphibians
- Records since 2000
- 14,467
- Scientific name
- Lissotriton vulgaris
Common Nightingale
- Group
- Birds
- Records since 2000
- 13,807
- Scientific name
- Luscinia megarhynchos
Honeysuckle
- Group
- Flowering plants
- Records since 2000
- 13,575
- Scientific name
- Lonicera periclymenum
Ground-elder
- Group
- Flowering plants
- Records since 2000
- 13,554
- Scientific name
- Aegopodium podagraria
Annual Meadow-grass
- Group
- Flowering plants
- Records since 2000
- 13,548
- Scientific name
- Poa annua
White-lipped Snail
- Group
- Molluscs
- Records since 2000
- 13,376
- Scientific name
- Cepaea hortensis
Bush Vetch
- Group
- Flowering plants
- Records since 2000
- 13,352
- Scientific name
- Vicia sepium
Polycentropus flavomaculatus
- Group
- Caddisflies
- Records since 2000
- 13,349
- Peak month
- May
European Turtle-Dove
- Group
- Birds
- Records since 2000
- 13,049
- Scientific name
- Streptopelia turtur
Clossiana euphrosyne
- Group
- Butterflies and moths
- Records since 2000
- 12,660
- Peak month
- May
Smooth Sow-thistle
- Group
- Flowering plants
- Records since 2000
- 12,637
- Scientific name
- Sonchus oleraceus
Silverweed
- Group
- Flowering plants
- Records since 2000
- 12,032
- Scientific name
- Argentina anserina
Greater Stitchwort
- Group
- Flowering plants
- Records since 2000
- 11,979
- Scientific name
- Rabelera holostea
Rhododendron
- Group
- Flowering plants
- Records since 2000
- 11,503
- Scientific name
- Rhododendron ponticum