Chinese Muntjac
- Group
- Mammals
- Peak month
- April
- Records since 2000
- 20,457
Described in 1839
111 species
Pholoe inornata
- Group
- Worms (annelids)
- Peak month
- May
- Records since 2000
- 10,180
Brittlestar
- Group
- Starfish and sea urchins
- Peak month
- August
- Records since 2000
- 8,600
Broadtail Shortfin Squid
- Group
- Molluscs
- Peak month
- February
- Records since 2000
- 4,849
Harmothoe impar
- Group
- Worms (annelids)
- Peak month
- June
- Records since 2000
- 4,409
Leopard-spotted Goby
- Group
- Fish
- Peak month
- August
- Records since 2000
- 3,354
Lesser emperor
- Group
- Dragonflies and damselflies
- Peak month
- July
- Records since 2000
- 3,235
Humpbacked minute scavenger beetle
- Group
- Beetles
- Peak month
- September
- Records since 2000
- 1,376
Hairy Beech Gall
- Group
- True flies
- Peak month
- September
- Records since 2000
- 886
Rambur's Pied Shieldbug
- Group
- True bugs
- Peak month
- September
- Records since 2000
- 775
Birdbeak Dogfish
- Group
- Fish
- Peak month
- April
- Records since 2000
- 767
Nathusius's Bat
- Group
- Mammals
- Peak month
- September
- Records since 2000
- 662
Vagrant emperor
- Group
- Dragonflies and damselflies
- Peak month
- October
- Records since 2000
- 602
Ribwort Slender
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 595
Phaneroserphus calcar
- Group
- Bees, wasps and ants
- Peak month
- August
- Records since 2000
- 535
Bracken Planthopper
- Group
- True bugs
- Peak month
- June
- Records since 2000
- 510
Hawthorn Cosmet
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 510
Stenus latifrons
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 503
Little Cosmet
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 478
Eucampia zodiacus
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 467
Ceraclea senilis
- Group
- Caddisflies
- Peak month
- June
- Records since 2000
- 461
Epinotia immundana
- Group
- Butterflies and moths
- Peak month
- May
- Records since 2000
- 440
Bucculatrix nigricomella
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 434
Caenis luctuosa
- Group
- Mayflies
- Peak month
- April
- Records since 2000
- 409
Clubiona comta
- Group
- Spiders
- Peak month
- July
- Records since 2000
- 405
Black Scabbardfish
- Group
- Fish
- Peak month
- September
- Records since 2000
- 394
Phyllonorycter acerifoliella
- Group
- Butterflies and moths
- Peak month
- October
- Records since 2000
- 356
Venusia cambrica
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 342
Stenus providus
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 340
Baillon's wrasse
- Group
- Fish
- Peak month
- March
- Records since 2000
- 316
Xantholinus longiventris
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 295
Phyllonorycter quercifoliella
- Group
- Butterflies and moths
- Peak month
- November
- Records since 2000
- 288
Hydrosmecta longula
- Group
- Beetles
- Peak month
- August
- Records since 2000
- 281
Argyresthia conjugella
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 260
Eleonora's Falcon
- Group
- Birds
- Peak month
- May
- Records since 2000
- 236
Lithodesmium undulatum
- Group
- Seaweeds and algae
- Peak month
- April
- Records since 2000
- 235
Aloconota gregaria
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 232
Quadrastichus vacuna
- Group
- Bees, wasps and ants
- Peak month
- June
- Records since 2000
- 227
Mikiola fagi
- Group
- True flies
- Peak month
- August
- Records since 2000
- 223
Argyresthia retinella
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 215
Tenthredo thompsoni
- Group
- Bees, wasps and ants
- Peak month
- August
- Records since 2000
- 210
Opilio saxatilis
- Group
- Mites, harvestmen and other arachnids
- Peak month
- August
- Records since 2000
- 202
Zygoceros rhombus
- Group
- Seaweeds and algae
- Peak month
- May
- Records since 2000
- 202
Bledius longulus
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 186
Haplodrassus signifer
- Group
- Spiders
- Peak month
- July
- Records since 2000
- 176
Eriosoma lanuginosum
- Group
- True bugs
- Peak month
- June
- Records since 2000
- 174
Isotoma viridis
- Group
- Springtails
- Peak month
- March
- Records since 2000
- 172
Nematopogon schwarziellus
- Group
- Butterflies and moths
- Peak month
- May
- Records since 2000
- 168
Mompha ochraceella
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 160
Leptusa fumida
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 157
Tachyporus solutus
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 156
Platybunus pinetorum
- Group
- Mites, harvestmen and other arachnids
- Peak month
- May
- Records since 2000
- 153
Bledius subterraneus
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 140
Fenella nigrita
- Group
- Bees, wasps and ants
- Peak month
- September
- Records since 2000
- 139
Stenus palustris
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 136
Carpelimus elongatulus
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 133
Odontoscelis lineola
- Group
- True bugs
- Peak month
- June
- Records since 2000
- 133
Bigeye tuna
- Group
- Fish
- Peak month
- February
- Records since 2000
- 123
Coleophora caespititiella
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 117
Mirificarma mulinella
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 116
Leucophenga maculata
- Group
- True flies
- Peak month
- July
- Records since 2000
- 115
Phyllonorycter froelichiella
- Group
- Butterflies and moths
- Peak month
- October
- Records since 2000
- 114
Dictyocha fibula
- Group
- Seaweeds and algae
- Peak month
- October
- Records since 2000
- 111
Acrolepia assectella
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 105
Atheta vaga
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 101
Dicrotendipes nervosus
- Group
- True flies
- Peak month
- July
- Records since 2000
- 101
Opostega salaciella
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 101
Epinotia demarniana
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 99
Zelotes electus
- Group
- Spiders
- Peak month
- May
- Records since 2000
- 98
Lordithon trinotatus
- Group
- Beetles
- Peak month
- October
- Records since 2000
- 96
Polyophthalmus pictus
- Group
- Worms (annelids)
- Peak month
- September
- Records since 2000
- 96
Parocyusa longitarsis
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 94
Bryotropha senectella
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 91
Aristotelia ericinella
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 88
Pseudochironomus prasinatus
- Group
- True flies
- Peak month
- June
- Records since 2000
- 88
Cricotopus intersectus
- Group
- True flies
- Peak month
- June
- Records since 2000
- 86
Hemitrichapion waltoni
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 86
Green Snail
- Group
- Molluscs
- Peak month
- August
- Records since 2000
- 79
Halocladius variabilis
- Group
- True flies
- Peak month
- July
- Records since 2000
- 79
Aridius nodifer
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 77
Plegaderus dissectus
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 77
Audubon's Shearwater
- Group
- Birds
- Peak month
- October
- Records since 2000
- 74
Aroga velocella
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 73
Chorebus uliginosus
- Group
- Bees, wasps and ants
- Peak month
- May
- Records since 2000
- 73
Quedius umbrinus
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 72
Pediobius epigonus
- Group
- Bees, wasps and ants
- Peak month
- June
- Records since 2000
- 71
Trichomyia urbica
- Group
- True flies
- Peak month
- June
- Records since 2000
- 70
Bryotropha basaltinella
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 69
Phyllocnistis saligna
- Group
- Butterflies and moths
- Peak month
- September
- Records since 2000
- 69
Enoicyla pusilla
- Group
- Caddisflies
- Peak month
- April
- Records since 2000
- 68
Tamarixia upis
- Group
- Bees, wasps and ants
- Peak month
- June
- Records since 2000
- 68
Caloptilia populetorum
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 66
Homoporus nypsius
- Group
- Bees, wasps and ants
- Peak month
- August
- Records since 2000
- 64
Parachronistis albiceps
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 64
Phalonidia manniana
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 63
Psoricoptera gibbosella
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 63
Aphelinus asychis
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 62
Cis fagi
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 62
Hydrellia thoracica
- Group
- True flies
- Peak month
- June
- Records since 2000
- 62
Metendothenia atropunctana
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 61
Eremocoris fenestratus
- Group
- True bugs
- Peak month
- August
- Records since 2000
- 60
Leptusa ruficollis
- Group
- Beetles
- Peak month
- October
- Records since 2000
- 60
Ocnus lacteus
- Group
- Starfish and sea urchins
- Peak month
- August
- Records since 2000
- 59
Bucculatrix albedinella
- Group
- Butterflies and moths
- Peak month
- September
- Records since 2000
- 58
Laona quadrata
- Group
- Molluscs
- Peak month
- August
- Records since 2000
- 58
Exotela gilvipes
- Group
- Bees, wasps and ants
- Peak month
- October
- Records since 2000
- 56
Tripodiscus argus
- Group
- Seaweeds and algae
- Peak month
- May
- Records since 2000
- 56
Triceratium favus
- Group
- Seaweeds and algae
- Peak month
- May
- Records since 2000
- 55
Carpatolechia fugitivella
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 54
Phyllonorycter hilarella
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 53
Tasgius melanarius
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 51