Prionospio dubia
- Group
- Worms (annelids)
- Records since 2000
- 349
- Peak month
- March
Thuidium assimile
- Group
- Mosses
- Records since 2000
- 345
- Peak month
- March
Great Bustard
- Group
- Birds
- Records since 2000
- 343
- Scientific name
- Otis tarda
Waved Fork-moss
- Group
- Mosses
- Records since 2000
- 337
- Scientific name
- Dicranum undulatum
Eurynome aspera
- Group
- Crustaceans
- Records since 2000
- 336
- Peak month
- March
Orchesella villosa
- Group
- Springtails
- Records since 2000
- 336
- Peak month
- March
Melita palmata
- Group
- Crustaceans
- Records since 2000
- 332
- Peak month
- March
Ruditapes philippinarum
- Group
- Molluscs
- Records since 2000
- 332
- Peak month
- March
Maxmuelleria lankesteri
- Group
- Worms (annelids)
- Records since 2000
- 329
- Peak month
- March
A Lichen
- Group
- Lichens
- Records since 2000
- 326
- Scientific name
- Anaptychia ciliaris
Fir tamarisk-moss
- Group
- Mosses
- Records since 2000
- 324
- Scientific name
- Abietinella abietina
Hennediella macrophylla
- Group
- Mosses
- Records since 2000
- 323
- Peak month
- March
Pleurobranchus membranaceus
- Group
- Molluscs
- Records since 2000
- 322
- Peak month
- March
Lepidozia pearsonii
- Group
- Liverworts
- Records since 2000
- 321
- Peak month
- March
Bryostigma lapidicola
- Group
- Lichens
- Records since 2000
- 317
- Peak month
- March
Baillon's wrasse
- Group
- Fish
- Records since 2000
- 316
- Scientific name
- Symphodus bailloni
Skeneopsis planorbis
- Group
- Molluscs
- Records since 2000
- 315
- Peak month
- March
Gibbaranea gibbosa
- Group
- Spiders
- Records since 2000
- 311
- Peak month
- March
Swan-necked Earth-moss
- Group
- Mosses
- Records since 2000
- 301
- Scientific name
- Microbryum curvicollum
Hasselquist's Hyssop
- Group
- Mosses
- Records since 2000
- 300
- Scientific name
- Entosthodon fascicularis
Neoamphitrite figulus
- Group
- Worms (annelids)
- Records since 2000
- 298
- Peak month
- March
Yellow Star-of-Bethlehem
- Group
- Flowering plants
- Records since 2000
- 295
- Scientific name
- Gagea lutea
Astarte montagui
- Group
- Molluscs
- Records since 2000
- 294
- Peak month
- March
Spruce's bristle-moss
- Group
- Mosses
- Records since 2000
- 294
- Scientific name
- Orthotrichum sprucei
Ribbonwort
- Group
- Liverworts
- Records since 2000
- 289
- Scientific name
- Pallavicinia lyellii
Snowy Owl
- Group
- Birds
- Records since 2000
- 288
- Scientific name
- Bubo scandiacus
Sphagnum beothuk
- Group
- Mosses
- Records since 2000
- 284
- Peak month
- March
Odontella aurita
- Group
- Seaweeds and algae
- Records since 2000
- 282
- Peak month
- March
Sabellides octocirrata
- Group
- Worms (annelids)
- Records since 2000
- 282
- Peak month
- March
Malmgrenia castanea
- Group
- Worms (annelids)
- Records since 2000
- 278
- Peak month
- March
Diurnea fagella
- Group
- Butterflies and moths
- Records since 2000
- 271
- Peak month
- March
A lichen
- Group
- Lichens
- Records since 2000
- 268
- Scientific name
- Pseudocyphellaria intricata
Tomocerus minor
- Group
- Springtails
- Records since 2000
- 268
- Peak month
- March
Bradycellus ruficollis
- Group
- Beetles
- Records since 2000
- 266
- Peak month
- March
Fuscopannaria mediterranea
- Group
- Lichens
- Records since 2000
- 266
- Peak month
- March
Porella obtusata
- Group
- Liverworts
- Records since 2000
- 265
- Peak month
- March
Cossura longocirrata
- Group
- Worms (annelids)
- Records since 2000
- 263
- Peak month
- March
Zeugopterus regius
- Group
- Fish
- Records since 2000
- 262
- Peak month
- March
Brown's tetrodontium moss
- Group
- Mosses
- Records since 2000
- 257
- Scientific name
- Tetrodontium brownianum
Diplophyllum obtusifolium
- Group
- Liverworts
- Records since 2000
- 256
- Peak month
- March
Adontorhina similis
- Group
- Molluscs
- Records since 2000
- 254
- Peak month
- March
Pulvinaria floccifera
- Group
- True bugs
- Records since 2000
- 253
- Peak month
- March
Lecanora barkmaniana
- Group
- Lichens
- Records since 2000
- 251
- Peak month
- March
Lophocolea bispinosa
- Group
- Liverworts
- Records since 2000
- 249
- Peak month
- March
Nemurella pictetii
- Group
- Stoneflies
- Records since 2000
- 248
- Peak month
- March
Rusty Fork-moss
- Group
- Mosses
- Records since 2000
- 244
- Scientific name
- Dicranum spurium
Leptosynapta decaria
- Group
- Starfish and sea urchins
- Records since 2000
- 240
- Peak month
- March
Leuckartiara octona
- Group
- Jellyfish, corals and anemones
- Records since 2000
- 240
- Peak month
- March