White Stork
- Group
- Birds
- Peak month
- May
- Records since 2000
- 3,594
Species recorded in Essex
1,113 species
Essex — county
Stag Beetle
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 3,561
Woodsy Silk-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 3,549
Water measurer
- Group
- True bugs
- Peak month
- May
- Records since 2000
- 3,544
Sun Spurge
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 3,518
Field-rose
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 3,485
Redclaws
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 3,476
Bristleworm
- Group
- Worms (annelids)
- Peak month
- June
- Records since 2000
- 3,459
Musk-mallow
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 3,454
Demetrias atricapillus
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 3,443
Tundra Bean-Goose
- Group
- Birds
- Peak month
- January
- Records since 2000
- 3,430
Black-striped cranefly
- Group
- True flies
- Peak month
- May
- Records since 2000
- 3,421
Freshwater Nerite
- Group
- Molluscs
- Peak month
- May
- Records since 2000
- 3,393
White Bedstraw
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 3,391
Horse-chestnut leafminer
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 3,386
German Wasp
- Group
- Bees, wasps and ants
- Peak month
- August
- Records since 2000
- 3,378
Clouded Funnel
- Group
- Fungi
- Peak month
- October
- Records since 2000
- 3,371
Dandelion
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 3,371
Urban bluebottle blowfly, European blowfly
- Group
- True flies
- Peak month
- April
- Records since 2000
- 3,361
Straw Underwing
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 3,349
Rosemary Beetle
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 3,296
Nettle weevil
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 3,260
Oxford Ragwort
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 3,206
Black Nightshade
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 3,192
Spiny Restharrow
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 3,187
Common Sun Beetle
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 3,170
Green Pug
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 3,170
Red Marsh Ladybird
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 3,168
Straw Bristle-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 3,148
Hoary Willowherb
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 3,116
Crab Apple
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 3,104
Tiger Cranefly
- Group
- True flies
- Peak month
- June
- Records since 2000
- 3,100
Spotted Medick
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 3,062
Temminck's Stint
- Group
- Birds
- Peak month
- May
- Records since 2000
- 3,040
Rose-of-Sharon
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 3,039
Adonis' Ladybird
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 3,020
Common Striped Woodlouse
- Group
- Crustaceans
- Peak month
- April
- Records since 2000
- 3,019
Rose Chafer
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 3,010
Abax parallelepipedus
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 3,005
Field Pansy
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 2,990
Lype reducta
- Group
- Caddisflies
- Peak month
- October
- Records since 2000
- 2,979
Shrill Carder Bee
- Group
- Bees, wasps and ants
- Peak month
- August
- Records since 2000
- 2,973
Lizard Bark Louse
- Group
- Other insects
- Peak month
- October
- Records since 2000
- 2,960
Square-stalked Willowherb
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 2,928
Creeping-jenny
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 2,927
Spotted Crane Fly
- Group
- True flies
- Peak month
- May
- Records since 2000
- 2,905
White Bryony
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 2,903
Tubificoides amplivasatus
- Group
- Worms (annelids)
- Peak month
- May
- Records since 2000
- 2,899