Ampelisca spinipes
- Group
- Crustaceans
- Peak month
- August
- Records since 2000
- 6,948
Described in 1861
60 species
Glycerine Worm
- Group
- Worms (annelids)
- Peak month
- June
- Records since 2000
- 5,164
Ross's Goose
- Group
- Birds
- Peak month
- January
- Records since 2000
- 1,467
Black-headed cymus
- Group
- True bugs
- Peak month
- June
- Records since 2000
- 1,106
Plume hydroid
- Group
- Jellyfish, corals and anemones
- Peak month
- August
- Records since 2000
- 1,080
Leucothoe lilljeborgi
- Group
- Crustaceans
- Peak month
- May
- Records since 2000
- 998
Melampophylax mucoreus
- Group
- Caddisflies
- Peak month
- May
- Records since 2000
- 742
Tryphosites longipes
- Group
- Crustaceans
- Peak month
- August
- Records since 2000
- 696
Baird's Sandpiper
- Group
- Birds
- Peak month
- September
- Records since 2000
- 687
Myrmica sabuleti
- Group
- Bees, wasps and ants
- Peak month
- June
- Records since 2000
- 634
Eusirus longipes
- Group
- Crustaceans
- Peak month
- August
- Records since 2000
- 542
Laura psylla
- Group
- True bugs
- Peak month
- June
- Records since 2000
- 539
Artichoke Gall-midge
- Group
- True flies
- Peak month
- September
- Records since 2000
- 518
Dexamine thea
- Group
- Crustaceans
- Peak month
- March
- Records since 2000
- 511
Lepidepecreum longicorne
- Group
- Crustaceans
- Peak month
- April
- Records since 2000
- 426
Golden-rod pug
- Group
- Butterflies and moths
- Peak month
- May
- Records since 2000
- 396
Dipolydora socialis
- Group
- Worms (annelids)
- Peak month
- January
- Records since 2000
- 345
Leiobunum blackwalli
- Group
- Mites, harvestmen and other arachnids
- Peak month
- September
- Records since 2000
- 338
Populicerus confusus
- Group
- True bugs
- Peak month
- July
- Records since 2000
- 311
Amaurobius similis
- Group
- Spiders
- Peak month
- April
- Records since 2000
- 271
Hylecoetus dermestoides
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 271
Praxillella gracilis
- Group
- Worms (annelids)
- Peak month
- September
- Records since 2000
- 241
Malacoceros tetracerus
- Group
- Worms (annelids)
- Peak month
- June
- Records since 2000
- 240
Grey-legged Leaf-Warbler
- Group
- Birds
- Peak month
- October
- Records since 2000
- 232
Pardosa agrestis
- Group
- Spiders
- Peak month
- May
- Records since 2000
- 228
Phytocoris longipennis
- Group
- True bugs
- Peak month
- August
- Records since 2000
- 214
Dicyphus pallicornis
- Group
- True bugs
- Peak month
- June
- Records since 2000
- 198
Baeopelma foersteri
- Group
- True bugs
- Peak month
- July
- Records since 2000
- 197
Rhizosolenia robusta
- Group
- Seaweeds and algae
- Peak month
- April
- Records since 2000
- 197
Sarcophaga filia
- Group
- True flies
- Peak month
- July
- Records since 2000
- 192
A water beetle
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 167
Eunoe nodosa
- Group
- Worms (annelids)
- Peak month
- October
- Records since 2000
- 156
Jassargus distinguendus
- Group
- True bugs
- Peak month
- July
- Records since 2000
- 132
Chamaepsylla hartigii
- Group
- True bugs
- Peak month
- June
- Records since 2000
- 129
Walckenaeria unicornis
- Group
- Spiders
- Peak month
- May
- Records since 2000
- 128
Cumopsis goodsir
- Group
- Crustaceans
- Peak month
- August
- Records since 2000
- 116
Peponocranium ludicrum
- Group
- Spiders
- Peak month
- June
- Records since 2000
- 114
Florodelphax leptosoma
- Group
- True bugs
- Peak month
- June
- Records since 2000
- 100
Mesopodopsis slabberi
- Group
- Crustaceans
- Peak month
- May
- Records since 2000
- 99
Nitzschia longissima
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 94
Parornix fagivora
- Group
- Butterflies and moths
- Peak month
- October
- Records since 2000
- 86
Erzaleus metrius
- Group
- True bugs
- Peak month
- July
- Records since 2000
- 84
Periclimenes sagittifer
- Group
- Crustaceans
- Peak month
- August
- Records since 2000
- 82
Platystethus alutaceus
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 79
Actinoptychus splendens
- Group
- Seaweeds and algae
- Peak month
- May
- Records since 2000
- 77
Stephanopyxis turris
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 74
Schmidtea polychroa
- Group
- Flatworms
- Peak month
- September
- Records since 2000
- 70
Glaenocorixa propinqua
- Group
- True bugs
- Peak month
- April
- Records since 2000
- 66
Amblyosyllis spectabilis
- Group
- Worms (annelids)
- Peak month
- May
- Records since 2000
- 64
A jumping spider
- Group
- Spiders
- Peak month
- July
- Records since 2000
- 63
Colomastix pusilla
- Group
- Crustaceans
- Peak month
- June
- Records since 2000
- 62
Hydroid
- Group
- Jellyfish, corals and anemones
- Peak month
- September
- Records since 2000
- 59
A sponge
- Group
- Sponges
- Peak month
- May
- Records since 2000
- 56
Argenna subnigra
- Group
- Spiders
- Peak month
- May
- Records since 2000
- 56
Gastrosaccus sanctus
- Group
- Crustaceans
- Peak month
- February
- Records since 2000
- 55
Scoletoma tetraura
- Group
- Worms (annelids)
- Peak month
- June
- Records since 2000
- 54
Arocephalus punctum
- Group
- True bugs
- Peak month
- August
- Records since 2000
- 52
Gyge branchialis
- Group
- Crustaceans
- Peak month
- June
- Records since 2000
- 52
Dugesia lugubris
- Group
- Flatworms
- Peak month
- July
- Records since 2000
- 50
Turrutus socialis
- Group
- True bugs
- Peak month
- July
- Records since 2000
- 50