Large Flax Flea Beetle
- Group
- Beetles
- Records since 2000
- 1,338
- Scientific name
- Aphthona euphorbiae
Peppery Furrow Shell
- Group
- Molluscs
- Records since 2000
- 1,333
- Scientific name
- Scrobicularia plana
White-legged cranefly
- Group
- True flies
- Records since 2000
- 1,333
- Scientific name
- Ptychoptera albimanus
Hypotrachyna lichen
- Group
- Lichens
- Records since 2000
- 1,332
- Scientific name
- Hypotrachyna laevigata
Thrips minutissimus
- Group
- Other insects
- Records since 2000
- 1,330
- Peak month
- May
Lesser Bulin
- Group
- Molluscs
- Records since 2000
- 1,329
- Scientific name
- Merdigera obscura
Red-breasted Carrion Beetle
- Group
- Beetles
- Records since 2000
- 1,322
- Scientific name
- Oiceoptoma thoracicum
Tawny Glass Snail
- Group
- Molluscs
- Records since 2000
- 1,311
- Scientific name
- Euconulus fulvus
Hydroporus memnonius
- Group
- Beetles
- Records since 2000
- 1,310
- Peak month
- May
Rhinoncus pericarpius
- Group
- Beetles
- Records since 2000
- 1,309
- Peak month
- May
Cassida vibex
- Group
- Beetles
- Records since 2000
- 1,307
- Peak month
- May
Empis trigramma
- Group
- True flies
- Records since 2000
- 1,307
- Peak month
- May
Phaonia errans
- Group
- True flies
- Records since 2000
- 1,306
- Peak month
- May
Waved Umber
- Group
- Butterflies and moths
- Records since 2000
- 1,304
- Scientific name
- Menophra abruptaria
Raspberry Beetle
- Group
- Beetles
- Records since 2000
- 1,300
- Scientific name
- Byturus tomentosus
Lesser Blackclock
- Group
- Beetles
- Records since 2000
- 1,299
- Scientific name
- Pterostichus minor
Copper Peacock Beetle
- Group
- Beetles
- Records since 2000
- 1,296
- Scientific name
- Elaphrus cupreus
Cramp-ball Fungus Weevil
- Group
- Beetles
- Records since 2000
- 1,294
- Scientific name
- Platyrhinus resinosus
Megalaria pulverea
- Group
- Lichens
- Records since 2000
- 1,294
- Peak month
- May
New Zealand flatworm
- Group
- Flatworms
- Records since 2000
- 1,294
- Scientific name
- Arthurdendyus triangulatus
Crimson Clover
- Group
- Flowering plants
- Records since 2000
- 1,284
- Scientific name
- Trifolium incarnatum
Worm Weed
- Group
- Seaweeds and algae
- Records since 2000
- 1,284
- Scientific name
- Dumontia contorta
Striped oak bug
- Group
- True bugs
- Records since 2000
- 1,283
- Scientific name
- Rhabdomiris striatellus
Woodchat Shrike
- Group
- Birds
- Records since 2000
- 1,274
- Scientific name
- Lanius senator
Dipolydora quadrilobata
- Group
- Worms (annelids)
- Records since 2000
- 1,269
- Peak month
- May
Celery Leaf Beetle
- Group
- Beetles
- Records since 2000
- 1,265
- Scientific name
- Phaedon tumidulus
Hazel Leaf-roller Weevil
- Group
- Beetles
- Records since 2000
- 1,263
- Scientific name
- Apoderus coryli
Weevil
- Group
- Beetles
- Records since 2000
- 1,257
- Scientific name
- Liophloeus tessulatus
Pseudosagedia aenea
- Group
- Lichens
- Records since 2000
- 1,255
- Peak month
- May
Drachiella spectabilis
- Group
- Seaweeds and algae
- Records since 2000
- 1,249
- Peak month
- May
Great Reed Warbler
- Group
- Birds
- Records since 2000
- 1,244
- Scientific name
- Acrocephalus arundinaceus
Yellow bloodstain lichen
- Group
- Lichens
- Records since 2000
- 1,241
- Scientific name
- Haematomma ochroleucum
Dot lichen
- Group
- Lichens
- Records since 2000
- 1,238
- Scientific name
- Micarea lignaria
Agapetus ochripes
- Group
- Caddisflies
- Records since 2000
- 1,237
- Peak month
- May
Long-toothed Herald Snail
- Group
- Molluscs
- Records since 2000
- 1,233
- Scientific name
- Carychium tridentatum
Gritty British Soldiers Lichen
- Group
- Lichens
- Records since 2000
- 1,229
- Scientific name
- Cladonia floerkeana
Arctic Cowrie
- Group
- Molluscs
- Records since 2000
- 1,228
- Scientific name
- Trivia arctica
Cinereous chiton
- Group
- Molluscs
- Records since 2000
- 1,228
- Scientific name
- Lepidochitona cinerea
Dusky wireworm
- Group
- Beetles
- Records since 2000
- 1,226
- Scientific name
- Agriotes obscurus
Austrian Pine
- Group
- Conifers
- Records since 2000
- 1,221
- Scientific name
- Pinus nigra
Agriotes pallidulus
- Group
- Beetles
- Records since 2000
- 1,217
- Peak month
- May
Big salted-ruffle
- Group
- Lichens
- Records since 2000
- 1,214
- Scientific name
- Parmotrema crinitum
Fine Streaked Bugkin
- Group
- True bugs
- Records since 2000
- 1,210
- Scientific name
- Miris striatus
Lily-of-the-valley
- Group
- Flowering plants
- Records since 2000
- 1,200
- Scientific name
- Convallaria majalis
Molophilus griseus
- Group
- True flies
- Records since 2000
- 1,200
- Peak month
- May
Rim lichen
- Group
- Lichens
- Records since 2000
- 1,198
- Scientific name
- Lecanora confusa
Aponuphis bilineata
- Group
- Worms (annelids)
- Records since 2000
- 1,197
- Peak month
- May
Marsh Valerian
- Group
- Flowering plants
- Records since 2000
- 1,195
- Scientific name
- Valeriana dioica