Silvery pout
- Group
- Fish
- Peak month
- November
- Records since 2000
- 9,243
Described in 1850
50 species
Polycirrus medusa
- Group
- Worms (annelids)
- Peak month
- June
- Records since 2000
- 2,468
Hawthorn Slender
- Group
- Butterflies and moths
- Peak month
- October
- Records since 2000
- 1,166
Bougainvillia principis
- Group
- Jellyfish, corals and anemones
- Peak month
- August
- Records since 2000
- 1,086
Psychoda albipennis
- Group
- True flies
- Peak month
- June
- Records since 2000
- 1,004
Glycera fallax
- Group
- Worms (annelids)
- Peak month
- August
- Records since 2000
- 976
Firethorn Leaf Miner
- Group
- Butterflies and moths
- Peak month
- October
- Records since 2000
- 842
Hazel Slender
- Group
- Butterflies and moths
- Peak month
- October
- Records since 2000
- 771
Calathus cinctus
- Group
- Beetles
- Peak month
- August
- Records since 2000
- 595
White-winged scoter
- Group
- Birds
- Peak month
- May
- Records since 2000
- 547
Linnavuoriana sexmaculata
- Group
- True bugs
- Peak month
- November
- Records since 2000
- 544
Alnetoidia alneti
- Group
- True bugs
- Peak month
- July
- Records since 2000
- 444
Linnavuoriana sexmaculata
- Group
- True bugs
- Peak month
- November
- Records since 2000
- 430
Cnephasia stephensiana
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 406
Rabdophaga rosaria
- Group
- True flies
- Peak month
- April
- Records since 2000
- 405
Ruditapes philippinarum
- Group
- Molluscs
- Peak month
- March
- Records since 2000
- 332
Ocyusa picina
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 316
Girardia tigrina
- Group
- Flatworms
- Peak month
- September
- Records since 2000
- 305
Leptothorax nylanderi
- Group
- Bees, wasps and ants
- Peak month
- May
- Records since 2000
- 298
Rhyacionia pinicolana
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 296
Psammotettix confinis
- Group
- True bugs
- Peak month
- August
- Records since 2000
- 271
Lasius alienus
- Group
- Bees, wasps and ants
- Peak month
- June
- Records since 2000
- 256
Oxypoda elongatula
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 251
Asterionella formosa
- Group
- Seaweeds and algae
- Peak month
- May
- Records since 2000
- 247
Scrobipalpa acuminatella
- Group
- Butterflies and moths
- Peak month
- May
- Records since 2000
- 204
Dewick’s plusia
- Group
- Butterflies and moths
- Peak month
- September
- Records since 2000
- 201
Gerris costae
- Group
- True bugs
- Peak month
- May
- Records since 2000
- 193
Pterygocythereis jonesii
- Group
- Crustaceans
- Peak month
- April
- Records since 2000
- 190
Notocelia rosaecolana
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 188
Marsh oblique-barred
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 163
Parornix finitimella
- Group
- Butterflies and moths
- Peak month
- October
- Records since 2000
- 158
Dasineura plicatrix
- Group
- True flies
- Peak month
- September
- Records since 2000
- 144
Dikraneura variata
- Group
- True bugs
- Peak month
- July
- Records since 2000
- 129
Oedothorax apicatus
- Group
- Spiders
- Peak month
- July
- Records since 2000
- 127
Parornix torquillella
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 115
A marine snail
- Group
- Molluscs
- Peak month
- June
- Records since 2000
- 104
Parornix scoticella
- Group
- Butterflies and moths
- Peak month
- October
- Records since 2000
- 104
Cylindroleberis mariae
- Group
- Crustaceans
- Peak month
- September
- Records since 2000
- 94
Stenamma debile
- Group
- Bees, wasps and ants
- Peak month
- April
- Records since 2000
- 92
Rhaphium monotrichum
- Group
- True flies
- Peak month
- June
- Records since 2000
- 84
Reichertella geniculata
- Group
- True flies
- Peak month
- July
- Records since 2000
- 82
Colobostema triste
- Group
- True flies
- Peak month
- July
- Records since 2000
- 80
Atlantic Spinner Dolphin
- Group
- Mammals
- Peak month
- October
- Records since 2000
- 74
Euglesa supina
- Group
- Molluscs
- Peak month
- December
- Records since 2000
- 68
Bradysia tilicola
- Group
- True flies
- Peak month
- May
- Records since 2000
- 66
Strophedra weirana
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 66
Eupteryx stachydearum
- Group
- True bugs
- Peak month
- June
- Records since 2000
- 65
Cyprideis torosa
- Group
- Crustaceans
- Peak month
- August
- Records since 2000
- 62
Elachista humilis
- Group
- Butterflies and moths
- Peak month
- May
- Records since 2000
- 56
Asphondylia sarothamni
- Group
- True flies
- Peak month
- September
- Records since 2000
- 55