Lesser weever
- Group
- Fish
- Peak month
- August
- Records since 2000
- 16,075
Described in 1829
83 species
Common Grey
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 3,126
Broad-banded Aphideater
- Group
- True flies
- Peak month
- August
- Records since 2000
- 2,474
Anacaena lutescens
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 2,433
Valerian psyllid
- Group
- True bugs
- Peak month
- September
- Records since 2000
- 1,769
Blair's Shoulder-Knot
- Group
- Butterflies and moths
- Peak month
- October
- Records since 2000
- 1,707
Common European Whirligig Beetle
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 1,564
Wolf's milk Slime
- Group
- Microorganisms and protists
- Peak month
- May
- Records since 2000
- 1,092
Phylidorea fulvonervosa
- Group
- True flies
- Peak month
- June
- Records since 2000
- 1,080
Limonia macrostigma
- Group
- True flies
- Peak month
- June
- Records since 2000
- 1,011
Cercyon convexiusculus
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 895
Sand smelt
- Group
- Fish
- Peak month
- October
- Records since 2000
- 824
Flabby bristle-worm
- Group
- Worms (annelids)
- Peak month
- August
- Records since 2000
- 799
Schilling's rhopalid
- Group
- True bugs
- Peak month
- July
- Records since 2000
- 659
Hairy groundbug
- Group
- True bugs
- Peak month
- August
- Records since 2000
- 614
Scolopostethus affinis
- Group
- True bugs
- Peak month
- May
- Records since 2000
- 530
Isabelline Wheatear
- Group
- Birds
- Peak month
- October
- Records since 2000
- 510
Haworth's Minor
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 506
Moth
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 502
Rhyparochromus vulgaris
- Group
- True bugs
- Peak month
- May
- Records since 2000
- 480
Rhopalus parumpunctatus
- Group
- True bugs
- Peak month
- August
- Records since 2000
- 464
Plectiscus impurator
- Group
- Bees, wasps and ants
- Peak month
- December
- Records since 2000
- 457
Notiophilus rufipes
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 403
Borkhausenia fuscescens
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 390
Stenomacrus merula
- Group
- Bees, wasps and ants
- Peak month
- April
- Records since 2000
- 385
Ochthebius dilatatus
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 376
Crossocerus podagricus
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 332
Limonia nigropunctata
- Group
- True flies
- Peak month
- May
- Records since 2000
- 313
Laccobius colon
- Group
- Beetles
- Peak month
- September
- Records since 2000
- 304
Nysius senecionis
- Group
- True bugs
- Peak month
- August
- Records since 2000
- 294
Limonia trivittata
- Group
- True flies
- Peak month
- July
- Records since 2000
- 291
Platycheirus fulviventris
- Group
- True flies
- Peak month
- June
- Records since 2000
- 289
Crossocerus elongatulus
- Group
- Bees, wasps and ants
- Peak month
- June
- Records since 2000
- 288
Crossocerus wesmaeli
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 274
Arenocoris fallenii
- Group
- True bugs
- Peak month
- July
- Records since 2000
- 221
Acupalpus exiguus
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 211
Dicranota bimaculata
- Group
- True flies
- Peak month
- June
- Records since 2000
- 202
Phylloporia bistrigella
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 194
Pachybrachius fracticollis
- Group
- True bugs
- Peak month
- June
- Records since 2000
- 186
Dicyphus globulifer
- Group
- True bugs
- Peak month
- May
- Records since 2000
- 180
Dicheirotrichus obsoletus
- Group
- Beetles
- Peak month
- September
- Records since 2000
- 175
Entomognathus brevis
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 172
Gonempeda flava
- Group
- True flies
- Peak month
- June
- Records since 2000
- 166
Rhinusa antirrhini
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 166
Homotropus pallipes
- Group
- Bees, wasps and ants
- Peak month
- June
- Records since 2000
- 160
Lady Amherst's Pheasant
- Group
- Birds
- Peak month
- April
- Records since 2000
- 156
Oegoconia quadripuncta
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 134
Promethes sulcator
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 128
Dalman's Leatherbug
- Group
- True bugs
- Peak month
- June
- Records since 2000
- 127
Lindenius panzeri
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 122
Abdera biflexuosa
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 120
Reeves's Pheasant
- Group
- Birds
- Peak month
- April
- Records since 2000
- 115
Arocatus roeselii
- Group
- True bugs
- Peak month
- August
- Records since 2000
- 108
Chiloe Wigeon
- Group
- Birds
- Peak month
- April
- Records since 2000
- 102
Itoplectis alternans
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 101
Bathythrix pellucidator
- Group
- Bees, wasps and ants
- Peak month
- June
- Records since 2000
- 99
Coryphella verrucosa
- Group
- Molluscs
- Peak month
- August
- Records since 2000
- 92
Half-naked Hatchetfish, Axefish, Common Hatchetfish, Hatchet Fish, Heath's Hatchet Fish, Silver Hatchetfish, Spurred Hatchetfish
- Group
- Fish
- Peak month
- April
- Records since 2000
- 90
Cratichneumon rufifrons
- Group
- Bees, wasps and ants
- Peak month
- May
- Records since 2000
- 89
Orthocentrus spurius
- Group
- Bees, wasps and ants
- Peak month
- September
- Records since 2000
- 88
Phoenicocoris obscurellus
- Group
- True bugs
- Peak month
- July
- Records since 2000
- 80
Dicranomyia ventralis
- Group
- True flies
- Peak month
- June
- Records since 2000
- 76
Enizemum ornatum
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 75
Atlantic spotted dolphin
- Group
- Mammals
- Peak month
- October
- Records since 2000
- 74
Mycetophila ornata
- Group
- True flies
- Peak month
- June
- Records since 2000
- 74
Hydroporus ferrugineus
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 73
Scambus brevicornis
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 73
Woldstedtius biguttatus
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 73
Orthoperus nigrescens
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 70
Brachycarenus tigrinus
- Group
- True bugs
- Peak month
- July
- Records since 2000
- 68
Cremastus pungens
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 65
Scybalicus oblongiusculus
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 63
Euphylidorea phaeostigma
- Group
- True flies
- Peak month
- June
- Records since 2000
- 61
Epiphanis cornutus
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 60
Phygadeuon nanus
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 60
Schizopyga podagrica
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 60
Nysius ericae
- Group
- True bugs
- Peak month
- July
- Records since 2000
- 59
Argyropelecus olfersii
- Group
- Fish
- Peak month
- March
- Records since 2000
- 55
Craterium minutum
- Group
- Microorganisms and protists
- Peak month
- March
- Records since 2000
- 53
Grey Long-Eared Bat
- Group
- Mammals
- Peak month
- June
- Records since 2000
- 53
Crypteffigies lanius
- Group
- Bees, wasps and ants
- Peak month
- June
- Records since 2000
- 51
Homotropus signatus
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 50
Netelia testacea
- Group
- Bees, wasps and ants
- Peak month
- September
- Records since 2000
- 50