Parougia eliasoni
- Group
- Worms (annelids)
- Records since 2000
- 265
- Peak month
- May
Sigara stagnalis
- Group
- True bugs
- Records since 2000
- 264
- Peak month
- May
A lichen
- Group
- Lichens
- Records since 2000
- 263
- Scientific name
- Nevesia sampaiana
Cryptophagus scanicus
- Group
- Beetles
- Records since 2000
- 263
- Peak month
- May
Leucothoe spinicarpa
- Group
- Crustaceans
- Records since 2000
- 263
- Peak month
- May
Stejneger's Scoter
- Group
- Birds
- Records since 2000
- 263
- Scientific name
- Melanitta stejnegeri
Limnephilus binotatus
- Group
- Caddisflies
- Records since 2000
- 262
- Peak month
- May
Mocha
- Group
- Butterflies and moths
- Records since 2000
- 261
- Scientific name
- Cyclophora annularia
Common Fern Moth
- Group
- Butterflies and moths
- Records since 2000
- 260
- Scientific name
- Psychoides filicivora
Blue Ground Beetle
- Group
- Beetles
- Records since 2000
- 259
- Scientific name
- Carabus intricatus
Barred umber
- Group
- Butterflies and moths
- Records since 2000
- 258
- Scientific name
- Plagodis pulveraria
Cossura pygodactylata
- Group
- Worms (annelids)
- Records since 2000
- 258
- Peak month
- May
Melobesia membranacea
- Group
- Seaweeds and algae
- Records since 2000
- 258
- Peak month
- May
Lithophyllum incrustans
- Group
- Seaweeds and algae
- Records since 2000
- 257
- Peak month
- May
Slender-horned Leatherbug
- Group
- True bugs
- Records since 2000
- 257
- Scientific name
- Ceraleptus lividus
Owenia borealis
- Group
- Worms (annelids)
- Records since 2000
- 256
- Peak month
- May
Puccinia pulverulenta
- Group
- Fungi
- Records since 2000
- 256
- Peak month
- May
Phaenopsectra flavipes
- Group
- True flies
- Records since 2000
- 255
- Peak month
- May
Argyra diaphana
- Group
- True flies
- Records since 2000
- 254
- Peak month
- May
Barynotus moerens
- Group
- Beetles
- Records since 2000
- 254
- Peak month
- May
Litargus connexus
- Group
- Beetles
- Records since 2000
- 254
- Peak month
- May
Gymnometriocnemus subnudus
- Group
- True flies
- Records since 2000
- 253
- Peak month
- May
Tipula flavolineata
- Group
- True flies
- Records since 2000
- 252
- Peak month
- May
Biphyllus lunatus
- Group
- Beetles
- Records since 2000
- 251
- Peak month
- May
Calliblepharis jubata
- Group
- Seaweeds and algae
- Records since 2000
- 251
- Peak month
- May
Lonchoptera lutea
- Group
- True flies
- Records since 2000
- 251
- Peak month
- May
Oxypoda elongatula
- Group
- Beetles
- Records since 2000
- 251
- Peak month
- May
Parthenina interstincta
- Group
- Molluscs
- Records since 2000
- 251
- Peak month
- May
Filbert
- Group
- Flowering plants
- Records since 2000
- 250
- Scientific name
- Corylus maxima
Garden Parsley
- Group
- Flowering plants
- Records since 2000
- 250
- Scientific name
- Petroselinum crispum
Tomasellia gelatinosa
- Group
- Fungi
- Records since 2000
- 250
- Peak month
- May
Limnebius nitidus
- Group
- Beetles
- Records since 2000
- 248
- Peak month
- May
Ptomaphagus subvillosus
- Group
- Beetles
- Records since 2000
- 248
- Peak month
- May
Tipula subnodicornis
- Group
- True flies
- Records since 2000
- 248
- Peak month
- May
Asterionella formosa
- Group
- Seaweeds and algae
- Records since 2000
- 247
- Peak month
- May
Grapholita compositella
- Group
- Butterflies and moths
- Records since 2000
- 246
- Peak month
- May
Triarthria setipennis
- Group
- True flies
- Records since 2000
- 246
- Peak month
- May
Amaurosoma fasciatum
- Group
- True flies
- Records since 2000
- 245
- Peak month
- May
Acupalpus meridianus
- Group
- Beetles
- Records since 2000
- 244
- Peak month
- May
Carabus arvensis
- Group
- Beetles
- Records since 2000
- 244
- Peak month
- May
Diphasia margareta
- Group
- Jellyfish, corals and anemones
- Records since 2000
- 244
- Peak month
- May
Ceramium botryocarpum
- Group
- Seaweeds and algae
- Records since 2000
- 243
- Peak month
- May
Pseudarachna hirsuta
- Group
- Crustaceans
- Records since 2000
- 243
- Peak month
- May
Hemilamprops roseus
- Group
- Crustaceans
- Records since 2000
- 242
- Peak month
- May
Leucanthemum ircutianum
- Group
- Flowering plants
- Records since 2000
- 242
- Peak month
- May
Ochreous pug
- Group
- Butterflies and moths
- Records since 2000
- 242
- Scientific name
- Eupithecia indigata
Maera grossimana
- Group
- Crustaceans
- Records since 2000
- 241
- Peak month
- May
Petalonia fascia
- Group
- Seaweeds and algae
- Records since 2000
- 241
- Peak month
- May