Tapered Drone Fly
- Group
- True flies
- Peak month
- April
- Records since 2000
- 35,005
Species recorded in York
446 species
York — county
Sycamore [tree]
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 34,632
Gray Partridge
- Group
- Birds
- Peak month
- May
- Records since 2000
- 34,405
Dangling Swamp-lover
- Group
- True flies
- Peak month
- September
- Records since 2000
- 34,301
Common frog
- Group
- Amphibians
- Peak month
- March
- Records since 2000
- 33,381
Hazel
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 33,120
Holly
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 32,893
Bee Fly
- Group
- True flies
- Peak month
- April
- Records since 2000
- 32,811
Corn bunting
- Group
- Birds
- Peak month
- May
- Records since 2000
- 32,362
Pointed Spear-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 32,268
Large Yellow Underwing
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 31,787
White Clover
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 31,709
Capillary Thread-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 31,536
Herb-Robert
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 31,116
English ivy, Common ivy, European ivy, Ivy, Needlepoint ivy, Ripple ivy
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 30,860
Daisy
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 29,849
Common Hawker
- Group
- Dragonflies and damselflies
- Peak month
- August
- Records since 2000
- 29,798
Cow Parsley
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 29,713
Blackthorn
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 28,574
Cock's-foot
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 28,426
Elder
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 28,375
Red Campion
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 28,333
Little Owl
- Group
- Birds
- Peak month
- April
- Records since 2000
- 28,128
Selfheal
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 28,118
Two-spot Ladybird
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 28,081
Drone Fly
- Group
- True flies
- Peak month
- August
- Records since 2000
- 28,014
Yarrow
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 27,652
Common Ragwort
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 27,539
Meadowsweet
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 27,430
Giant Hogweed
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 27,203
Black Darter
- Group
- Dragonflies and damselflies
- Peak month
- August
- Records since 2000
- 26,741
Wood Avens
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 26,690
Beech
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 26,555
Wood Bristle-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 26,382
Swan's-neck Thyme-moss
- Group
- Mosses
- Peak month
- April
- Records since 2000
- 25,888
Cuckooflower
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 25,770
14-spotted Ladybird Beetle
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 25,758
Cuckoo-spit Insect
- Group
- True bugs
- Peak month
- June
- Records since 2000
- 25,331
European mole
- Group
- Mammals
- Peak month
- March
- Records since 2000
- 25,264
Forked Veilwort
- Group
- Liverworts
- Peak month
- March
- Records since 2000
- 24,734
Wall Screw-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 24,717
Spear Thistle
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 24,682
Small Garden Bumble Bee
- Group
- Bees, wasps and ants
- Peak month
- June
- Records since 2000
- 24,422
Ground-ivy
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 24,139
Common Bird's-foot-trefoil
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 24,100
Pedunculate Oak
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 24,087
Great Willowherb
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 24,020
Garden Snail
- Group
- Molluscs
- Peak month
- June
- Records since 2000
- 23,914