Peronospora aparines
- Group
- Microorganisms and protists
- Records since 2000
- 161
- Peak month
- April
Ampelisca gibba
- Group
- Crustaceans
- Records since 2000
- 160
- Peak month
- April
Stictonectes lepidus
- Group
- Beetles
- Records since 2000
- 160
- Peak month
- April
Andrena apicata
- Group
- Bees, wasps and ants
- Records since 2000
- 158
- Peak month
- April
Grimmia dissimulata
- Group
- Mosses
- Records since 2000
- 158
- Peak month
- April
Molleriella calcarella
- Group
- True flies
- Records since 2000
- 158
- Peak month
- April
Lady Amherst's Pheasant
- Group
- Birds
- Records since 2000
- 156
- Scientific name
- Chrysolophus amherstiae
Pandora pinna
- Group
- Molluscs
- Records since 2000
- 155
- Peak month
- April
Asaphidion stierlini
- Group
- Beetles
- Records since 2000
- 154
- Peak month
- April
Gomphonema clavatum
- Group
- Seaweeds and algae
- Records since 2000
- 154
- Peak month
- April
Einhornia crustulenta
- Group
- Bryozoans
- Records since 2000
- 153
- Peak month
- April
Eutrichapion vorax
- Group
- Beetles
- Records since 2000
- 153
- Peak month
- April
Botryobasidium conspersum
- Group
- Fungi
- Records since 2000
- 152
- Peak month
- April
Campylophyllopsis calcarea
- Group
- Mosses
- Records since 2000
- 152
- Peak month
- April
Gerris lateralis
- Group
- True bugs
- Records since 2000
- 152
- Peak month
- April
Ceriporia reticulata
- Group
- Fungi
- Records since 2000
- 151
- Peak month
- April
Piccolia ochrophora
- Group
- Lichens
- Records since 2000
- 151
- Peak month
- April
Aetea sica
- Group
- Bryozoans
- Records since 2000
- 150
- Peak month
- April
Grape-Hyacinth
- Group
- Flowering plants
- Records since 2000
- 150
- Scientific name
- Muscari neglectum
Dikoleps nitens
- Group
- Molluscs
- Records since 2000
- 149
- Peak month
- April
Leptosynapta minuta
- Group
- Starfish and sea urchins
- Records since 2000
- 149
- Peak month
- April
Micropsectra pallidula
- Group
- True flies
- Records since 2000
- 149
- Peak month
- April
Woodlouse spider
- Group
- Spiders
- Records since 2000
- 149
- Scientific name
- Dysdera crocata
Eriopygodes imbecillus
- Group
- Butterflies and moths
- Records since 2000
- 148
- Peak month
- April
Ilex altaclerensis
- Group
- Flowering plants
- Records since 2000
- 147
- Peak month
- April
Southern Wood-rush
- Group
- Flowering plants
- Records since 2000
- 147
- Scientific name
- Luzula forsteri
Coleroa robertiani
- Group
- Fungi
- Records since 2000
- 146
- Peak month
- April
Oxlip
- Group
- Flowering plants
- Records since 2000
- 146
- Scientific name
- Primula elatior
American Bittern
- Group
- Birds
- Records since 2000
- 145
- Scientific name
- Botaurus lentiginosus
Bertia moriformis
- Group
- Fungi
- Records since 2000
- 145
- Peak month
- April
Plagiopus oederianus
- Group
- Mosses
- Records since 2000
- 145
- Peak month
- April
Verrucaria dolosa
- Group
- Fungi
- Records since 2000
- 145
- Peak month
- April
A water beetle
- Group
- Beetles
- Records since 2000
- 144
- Scientific name
- Gyrinus paykulli
Common Mora
- Group
- Fish
- Records since 2000
- 144
- Scientific name
- Mora moro
Constricted Feather-moss
- Group
- Mosses
- Records since 2000
- 144
- Scientific name
- Hygroamblystegium humile
Omphale lugens
- Group
- Bees, wasps and ants
- Records since 2000
- 144
- Peak month
- April
Crenobia alpina
- Group
- Flatworms
- Records since 2000
- 143
- Peak month
- April
Myopa extricata
- Group
- True flies
- Records since 2000
- 143
- Peak month
- April
Rosellinia aquila
- Group
- Fungi
- Records since 2000
- 143
- Peak month
- April
Chinese windmill palm
- Group
- Flowering plants
- Records since 2000
- 142
- Scientific name
- Trachycarpus fortunei
Indian teasel
- Group
- Flowering plants
- Records since 2000
- 142
- Scientific name
- Dipsacus sativus
Cheilosia albipila
- Group
- True flies
- Records since 2000
- 141
- Peak month
- April
Pheasant's-eye Daffodil
- Group
- Flowering plants
- Records since 2000
- 141
- Scientific name
- Narcissus poeticus
Gonia ornata
- Group
- True flies
- Records since 2000
- 139
- Peak month
- April
Monostroma grevillei
- Group
- Seaweeds and algae
- Records since 2000
- 139
- Peak month
- April
Cyzenis albicans
- Group
- True flies
- Records since 2000
- 138
- Peak month
- April
Melampsora rostrupii
- Group
- Fungi
- Records since 2000
- 138
- Peak month
- April
Ophion obscuratus
- Group
- Bees, wasps and ants
- Records since 2000
- 138
- Peak month
- April