Dark Green Fritillary
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 61,080
- Home
- Species
Species
17,073 species
Chalk-hill Blue
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 60,252
Garden Warbler
- Group
- Birds
- Peak month
- May
- Records since 2000
- 59,895
Black-bellied Plover
- Group
- Birds
- Peak month
- October
- Records since 2000
- 59,861
Red-breasted Merganser
- Group
- Birds
- Peak month
- January
- Records since 2000
- 59,855
Tawny Owl
- Group
- Birds
- Peak month
- May
- Records since 2000
- 59,671
Lesser Whitethroat
- Group
- Birds
- Peak month
- May
- Records since 2000
- 59,298
Whimbrel
- Group
- Birds
- Peak month
- May
- Records since 2000
- 58,553
Broad-bodied Chaser
- Group
- Dragonflies and damselflies
- Peak month
- June
- Records since 2000
- 58,431
Common Scoter
- Group
- Birds
- Peak month
- October
- Records since 2000
- 57,365
Dingy Skipper
- Group
- Butterflies and moths
- Peak month
- May
- Records since 2000
- 56,840
European hake
- Group
- Fish
- Peak month
- November
- Records since 2000
- 56,826
Sanderling
- Group
- Birds
- Peak month
- September
- Records since 2000
- 56,821
Hooded Crow
- Group
- Birds
- Peak month
- May
- Records since 2000
- 56,265
Red fox
- Group
- Mammals
- Peak month
- August
- Records since 2000
- 56,196
Black-tailed Skimmer
- Group
- Dragonflies and damselflies
- Peak month
- July
- Records since 2000
- 54,605
Barn Owl
- Group
- Birds
- Peak month
- January
- Records since 2000
- 54,544
Red Knot
- Group
- Birds
- Peak month
- September
- Records since 2000
- 53,928
European roe deer
- Group
- Mammals
- Peak month
- May
- Records since 2000
- 53,679
Common Nettle
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 53,331
European sprat, Sprat
- Group
- Fish
- Peak month
- February
- Records since 2000
- 53,026
Thornback Ray
- Group
- Fish
- Peak month
- September
- Records since 2000
- 52,526
Western honey bee
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 51,449
Mandarin Duck
- Group
- Birds
- Peak month
- April
- Records since 2000
- 50,596
Marsh Tit
- Group
- Birds
- Peak month
- January
- Records since 2000
- 47,776
Barnacle Goose
- Group
- Birds
- Peak month
- October
- Records since 2000
- 47,758
Atlantic horse mackerel, Scad
- Group
- Fish
- Peak month
- November
- Records since 2000
- 47,510
Marmalade hoverfly
- Group
- True flies
- Peak month
- July
- Records since 2000
- 46,804
Emerald Damselfly
- Group
- Dragonflies and damselflies
- Peak month
- August
- Records since 2000
- 46,053
Whooper Swan
- Group
- Birds
- Peak month
- October
- Records since 2000
- 45,803
Ruddy Darter
- Group
- Dragonflies and damselflies
- Peak month
- August
- Records since 2000
- 45,389
Veined squid
- Group
- Molluscs
- Peak month
- February
- Records since 2000
- 45,144
Hawthorn
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 44,514
Northern River Crangonyctid
- Group
- Crustaceans
- Peak month
- October
- Records since 2000
- 44,412
Common Feather-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 44,396
New Zealand Mudsnail
- Group
- Molluscs
- Peak month
- September
- Records since 2000
- 44,337
Spotted Flycatcher
- Group
- Birds
- Peak month
- May
- Records since 2000
- 43,874
Wall
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 43,859
Spotted Ray
- Group
- Fish
- Peak month
- September
- Records since 2000
- 42,579
Cypress-leaved Plait-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 41,845
Rough-stalked Feather-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 41,342
Red-eyed Damselfly
- Group
- Dragonflies and damselflies
- Peak month
- June
- Records since 2000
- 40,953
White-tailed Bumble Bee
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 40,355
Megrim
- Group
- Fish
- Peak month
- November
- Records since 2000
- 40,342
Eurasian beaver
- Group
- Mammals
- Peak month
- November
- Records since 2000
- 39,593
(Great or Northern) Crested Newt
- Group
- Amphibians
- Peak month
- May
- Records since 2000
- 39,193
Ribwort Plantain
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 39,026
Argentine
- Group
- Fish
- Peak month
- February
- Records since 2000
- 38,908