Four-Colored Cuckoo-Bee
- Group
- Bees, wasps and ants
- Peak month
- June
- Records since 2000
- 3,040
Described in 1832
66 species
Sigalion mathildae
- Group
- Worms (annelids)
- Peak month
- June
- Records since 2000
- 1,411
Synedra ulna
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 956
Gerris thoracicus
- Group
- True bugs
- Peak month
- May
- Records since 2000
- 675
Celtic sea slug
- Group
- Molluscs
- Peak month
- September
- Records since 2000
- 668
Deeplet Sea Anemone
- Group
- Jellyfish, corals and anemones
- Peak month
- August
- Records since 2000
- 564
Dolichopus festivus
- Group
- True flies
- Peak month
- July
- Records since 2000
- 553
Heather Groundling
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 538
Shining Pea Mussel
- Group
- Molluscs
- Peak month
- September
- Records since 2000
- 533
Cackling Goose
- Group
- Birds
- Peak month
- January
- Records since 2000
- 515
Gerris gibbifer
- Group
- True bugs
- Peak month
- June
- Records since 2000
- 504
Philonthus cognatus
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 428
American Scoter
- Group
- Birds
- Peak month
- February
- Records since 2000
- 363
Heliophanus flavipes
- Group
- Spiders
- Peak month
- June
- Records since 2000
- 357
Cauloramphus spiniferum
- Group
- Bryozoans
- Peak month
- September
- Records since 2000
- 344
Gerris argentatus
- Group
- True bugs
- Peak month
- May
- Records since 2000
- 340
Gorytes laticinctus
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 310
Gomphonema truncatum
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 297
Dolichopus diadema
- Group
- True flies
- Peak month
- July
- Records since 2000
- 289
Odontella aurita
- Group
- Seaweeds and algae
- Peak month
- March
- Records since 2000
- 282
Campsicnemus loripes
- Group
- True flies
- Peak month
- June
- Records since 2000
- 254
Cerapheles terminatus
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 224
Atheta amicula
- Group
- Beetles
- Peak month
- August
- Records since 2000
- 197
Sepedophilus nigripennis
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 196
Gyrinus caspius
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 187
Quedius levicollis
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 186
Andrena humilis
- Group
- Bees, wasps and ants
- Peak month
- June
- Records since 2000
- 183
Sepedophilus marshami
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 156
Gomphonema clavatum
- Group
- Seaweeds and algae
- Peak month
- April
- Records since 2000
- 154
Gerris lateralis
- Group
- True bugs
- Peak month
- April
- Records since 2000
- 152
Coleophora alcyonipennella
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 148
Anaspis lurida
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 143
Gomphonema acuminatum
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 143
Machaerium maritimae
- Group
- True flies
- Peak month
- June
- Records since 2000
- 143
Venusia blomeri
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 143
Symmorphus gracilis
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 141
Scathophaga calida
- Group
- True flies
- Peak month
- March
- Records since 2000
- 137
Xanthochlorus ornatus
- Group
- True flies
- Peak month
- June
- Records since 2000
- 134
Rose Stem Girdler
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 127
Atheta laticollis
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 122
Oxypoda brevicornis
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 120
Ilythea spilota
- Group
- True flies
- Peak month
- June
- Records since 2000
- 113
Banded Mining Bee
- Group
- Bees, wasps and ants
- Peak month
- April
- Records since 2000
- 112
Marbled Duck
- Group
- Birds
- Peak month
- April
- Records since 2000
- 109
Lasioglossum pauperatum
- Group
- Bees, wasps and ants
- Peak month
- April
- Records since 2000
- 99
Agaricochara latissima
- Group
- Beetles
- Peak month
- December
- Records since 2000
- 96
Dalmatian Pelican
- Group
- Birds
- Peak month
- May
- Records since 2000
- 93
Dolichopus clavipes
- Group
- True flies
- Peak month
- June
- Records since 2000
- 89
Dixa nubilipennis
- Group
- True flies
- Peak month
- June
- Records since 2000
- 88
Lagynodes pallidus
- Group
- Bees, wasps and ants
- Peak month
- August
- Records since 2000
- 88
A Hole nesting wasp
- Group
- Bees, wasps and ants
- Peak month
- June
- Records since 2000
- 81
Ceratinostoma ostiorum
- Group
- True flies
- Peak month
- June
- Records since 2000
- 81
Paramesius rufipes
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 75
Broad Scarlet
- Group
- Dragonflies and damselflies
- Peak month
- July
- Records since 2000
- 69
Psammitis sabulosus
- Group
- Spiders
- Peak month
- July
- Records since 2000
- 69
Iridescent pea mussel
- Group
- Molluscs
- Peak month
- September
- Records since 2000
- 67
Sykes's Warbler
- Group
- Birds
- Peak month
- September
- Records since 2000
- 67
Philonthus rubripennis
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 66
Xanthostigma xanthostigma
- Group
- Other insects
- Peak month
- May
- Records since 2000
- 64
Dendrocerus ramicornis
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 62
Foreign grain beetle
- Group
- Beetles
- Peak month
- September
- Records since 2000
- 62
Epyris niger
- Group
- Bees, wasps and ants
- Peak month
- August
- Records since 2000
- 59
Craesus latipes
- Group
- Bees, wasps and ants
- Peak month
- August
- Records since 2000
- 58
Coniosternum decipiens
- Group
- True flies
- Peak month
- May
- Records since 2000
- 55
Aloconota sulcifrons
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 54
Deinopsis erosa
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 51