Birdbeak Dogfish
- Group
- Fish
- Records since 2000
- 767
- Scientific name
- Deania calcea
Mountain clauzadea lichen
- Group
- Lichens
- Records since 2000
- 764
- Scientific name
- Clauzadea monticola
Squirrel-tail Moss
- Group
- Mosses
- Records since 2000
- 762
- Scientific name
- Leucodon sciuroides
Elephant-ears [Bergenia crassifolia]
- Group
- Flowering plants
- Records since 2000
- 750
- Scientific name
- Bergenia crassifolia
Streptosyllis websteri
- Group
- Worms (annelids)
- Records since 2000
- 746
- Peak month
- April
Paradelia intersecta
- Group
- True flies
- Records since 2000
- 745
- Peak month
- April
Frosted Green
- Group
- Butterflies and moths
- Records since 2000
- 728
- Scientific name
- Polyploca ridens
Diatoma hyemalis
- Group
- Seaweeds and algae
- Records since 2000
- 725
- Peak month
- April
Leafscale Gulper Shark
- Group
- Fish
- Records since 2000
- 724
- Scientific name
- Centrophorus squamosus
Rhombic Leatherbug
- Group
- True bugs
- Records since 2000
- 721
- Scientific name
- Syromastus rhombeus
Blue-winged Teal
- Group
- Birds
- Records since 2000
- 714
- Scientific name
- Spatula discors
Common grape-hyacinth
- Group
- Flowering plants
- Records since 2000
- 709
- Scientific name
- Muscari armeniacum
Usnea flammea
- Group
- Lichens
- Records since 2000
- 703
- Peak month
- April
Blunt-tailed Snake Millipede
- Group
- Millipedes
- Records since 2000
- 699
- Scientific name
- Cylindroiulus punctatus
Banded Centipede
- Group
- Centipedes
- Records since 2000
- 687
- Scientific name
- Lithobius variegatus
Glossosoma conformis
- Group
- Caddisflies
- Records since 2000
- 675
- Peak month
- April
Nitzschia sociabilis
- Group
- Seaweeds and algae
- Records since 2000
- 674
- Peak month
- April
Antocha vitripennis
- Group
- True flies
- Records since 2000
- 672
- Peak month
- April
Polyozosia hagenii
- Group
- Lichens
- Records since 2000
- 659
- Peak month
- April
Hairy-eyed Halfband
- Group
- True flies
- Records since 2000
- 657
- Scientific name
- Melangyna lasiophthalma
Springtail
- Group
- Springtails
- Records since 2000
- 653
- Scientific name
- Pogonognathellus longicornis
Ephesiella abyssorum
- Group
- Worms (annelids)
- Records since 2000
- 645
- Peak month
- April
Spotted Dead-nettle
- Group
- Flowering plants
- Records since 2000
- 643
- Scientific name
- Lamium maculatum
Corynoptera irmgardis
- Group
- True flies
- Records since 2000
- 640
- Peak month
- April
Black Needle Fly
- Group
- Stoneflies
- Records since 2000
- 634
- Scientific name
- Leuctra nigra
Perla bipunctata
- Group
- Stoneflies
- Records since 2000
- 630
- Peak month
- April
Carbuncular Rock-shield Lichen
- Group
- Lichens
- Records since 2000
- 621
- Scientific name
- Xanthoparmelia verruculifera
Lesser Bloody-nosed Beetle
- Group
- Beetles
- Records since 2000
- 618
- Scientific name
- Timarcha goettingensis
Bibio lanigerus
- Group
- True flies
- Records since 2000
- 615
- Peak month
- April
Purple Toothwort
- Group
- Flowering plants
- Records since 2000
- 615
- Scientific name
- Lathraea clandestina
Milesina kriegeriana
- Group
- Fungi
- Records since 2000
- 602
- Peak month
- April
Ecdyonurus venosus
- Group
- Mayflies
- Records since 2000
- 593
- Peak month
- April
Belted Beauty
- Group
- Butterflies and moths
- Records since 2000
- 590
- Scientific name
- Lycia zonaria
Nipplewort Rust
- Group
- Fungi
- Records since 2000
- 589
- Scientific name
- Puccinia lapsanae
Cliff Scalewort
- Group
- Liverworts
- Records since 2000
- 588
- Scientific name
- Porella cordaeana
Hawthorn lacebug
- Group
- True bugs
- Records since 2000
- 582
- Scientific name
- Physatocheila dumetorum
Vernal Colletes
- Group
- Bees, wasps and ants
- Records since 2000
- 582
- Scientific name
- Colletes cunicularius
Nebalia herbstii
- Group
- Crustaceans
- Records since 2000
- 579
- Peak month
- April
Cut-leaved Dead-nettle
- Group
- Flowering plants
- Records since 2000
- 577
- Scientific name
- Lamium hybridum
Early Nomad Bee
- Group
- Bees, wasps and ants
- Records since 2000
- 576
- Scientific name
- Nomada leucophthalma
Teesdale Feather-moss
- Group
- Mosses
- Records since 2000
- 574
- Scientific name
- Rhynchostegiella teneriffae
Hypoxylon petriniae
- Group
- Fungi
- Records since 2000
- 570
- Peak month
- April
Graceful green hair
- Group
- Seaweeds and algae
- Records since 2000
- 568
- Scientific name
- Cladophora sericea
Pale Pinion
- Group
- Butterflies and moths
- Records since 2000
- 565
- Scientific name
- Lithophane socia
Clint Crisp-moss
- Group
- Mosses
- Records since 2000
- 564
- Scientific name
- Tortella densa
Scribble lichen
- Group
- Lichens
- Records since 2000
- 563
- Scientific name
- Alyxoria ochrocheila
Buckleyzyma aurantiaca
- Group
- Fungi
- Records since 2000
- 561
- Peak month
- April
Grey Field-speedwell
- Group
- Flowering plants
- Records since 2000
- 560
- Scientific name
- Veronica polita