Rusty Axinopsid
- Group
- Molluscs
- Records since 2000
- 680
- Scientific name
- Mendicula ferruginosa
Upright Pottia
- Group
- Mosses
- Records since 2000
- 677
- Scientific name
- Microbryum rectum
Wood Duck
- Group
- Birds
- Records since 2000
- 624
- Scientific name
- Aix sponsa
Alternaria alternata
- Group
- Fungi
- Records since 2000
- 620
- Peak month
- January
Cushion Bracket
- Group
- Fungi
- Records since 2000
- 619
- Scientific name
- Phellinus pomaceus
Lesser White-fronted Goose
- Group
- Birds
- Records since 2000
- 601
- Scientific name
- Anser erythropus
Cladosporium sphaerospermum
- Group
- Fungi
- Records since 2000
- 591
- Peak month
- January
Tear Dropper
- Group
- Fungi
- Records since 2000
- 552
- Scientific name
- Cylindrobasidium laeve
Tripe Fungus
- Group
- Fungi
- Records since 2000
- 548
- Scientific name
- Auricularia mesenterica
Amber Jelly
- Group
- Fungi
- Records since 2000
- 536
- Scientific name
- Exidia recisa
Megapolitan Feather-moss
- Group
- Mosses
- Records since 2000
- 534
- Scientific name
- Rhynchostegium megapolitanum
Giant Candlewax Lichen
- Group
- Lichens
- Records since 2000
- 528
- Scientific name
- Ricasolia amplissima
Alpha spec.
- Group
- Microorganisms and protists
- Records since 2000
- 525
- Peak month
- January
Cackling Goose
- Group
- Birds
- Records since 2000
- 515
- Scientific name
- Branta hutchinsii
Greater Copperwort
- Group
- Liverworts
- Records since 2000
- 483
- Scientific name
- Cephaloziella nicholsonii
Pacific Loon
- Group
- Birds
- Records since 2000
- 467
- Scientific name
- Gavia pacifica
Eudorella emarginata
- Group
- Crustaceans
- Records since 2000
- 447
- Peak month
- January
Gongolaria baccata
- Group
- Seaweeds and algae
- Records since 2000
- 424
- Peak month
- January
Mycobacterium tuberculosis
- Group
- Microorganisms and protists
- Records since 2000
- 417
- Peak month
- January
Tortula lindbergii
- Group
- Mosses
- Records since 2000
- 416
- Peak month
- January
Leucon nasica
- Group
- Crustaceans
- Records since 2000
- 407
- Peak month
- January
Culicoides obsoletus
- Group
- True flies
- Records since 2000
- 379
- Peak month
- January
Hippoporina pertusa
- Group
- Bryozoans
- Records since 2000
- 371
- Peak month
- January
A Lichen
- Group
- Lichens
- Records since 2000
- 360
- Scientific name
- Porina coralloidea
Dipolydora socialis
- Group
- Worms (annelids)
- Records since 2000
- 345
- Peak month
- January
Wild Cat
- Group
- Mammals
- Records since 2000
- 316
- Scientific name
- Felis silvestris
Ross's Gull
- Group
- Birds
- Records since 2000
- 315
- Scientific name
- Rhodostethia rosea
Zygina lunaris
- Group
- True bugs
- Records since 2000
- 313
- Peak month
- January
Aquihabitans daechungensis
- Group
- Microorganisms and protists
- Records since 2000
- 302
- Peak month
- January
Multifruited river moss
- Group
- Mosses
- Records since 2000
- 298
- Scientific name
- Dendrocryphaea lamyana
Crisp Beardless-moss
- Group
- Mosses
- Records since 2000
- 295
- Scientific name
- Weissia longifolia
Northern Waterthrush
- Group
- Birds
- Records since 2000
- 293
- Scientific name
- Parkesia noveboracensis
Radulomyces molaris
- Group
- Fungi
- Records since 2000
- 292
- Peak month
- January
Xylodon radula
- Group
- Fungi
- Records since 2000
- 287
- Peak month
- January
Gemmatimonas phototrophica
- Group
- Microorganisms and protists
- Records since 2000
- 285
- Peak month
- January
Sagartia undata
- Group
- Jellyfish, corals and anemones
- Records since 2000
- 277
- Peak month
- January
Sematophyllum substrumulosum
- Group
- Mosses
- Records since 2000
- 276
- Peak month
- January
Cornish path moss
- Group
- Mosses
- Records since 2000
- 273
- Scientific name
- Ditrichum cornubicum
Pedosphaera parvula
- Group
- Microorganisms and protists
- Records since 2000
- 273
- Peak month
- January
A Lichen
- Group
- Lichens
- Records since 2000
- 268
- Scientific name
- Lecanora albella
Bechstein's Bat
- Group
- Mammals
- Records since 2000
- 257
- Scientific name
- Myotis bechsteinii
Tetradesmus obliquus
- Group
- Seaweeds and algae
- Records since 2000
- 253
- Peak month
- January
Tubulipora liliacea
- Group
- Bryozoans
- Records since 2000
- 249
- Peak month
- January
Polydesmia pruinosa
- Group
- Fungi
- Records since 2000
- 248
- Peak month
- January
Platyhypnum duriusculum
- Group
- Mosses
- Records since 2000
- 244
- Peak month
- January
Blemished lichen
- Group
- Lichens
- Records since 2000
- 242
- Scientific name
- Phlyctis agelaea
Mycoplasma wenyonii
- Group
- Microorganisms and protists
- Records since 2000
- 235
- Peak month
- January
Terana coerulea
- Group
- Fungi
- Records since 2000
- 232
- Peak month
- January