First sightings of 2021

Which butterflies emerged when?

These are the earliest dates on which each species of adult butterfly was reported to the website. Ordered by date of first sighting.

Tip: Click column headings to change table sort order.
Species 2020 2021
Red Admiral 2020-01-02 2021-01-20
Brimstone 2020-01-19 2021-01-22
Peacock 2020-01-05 2021-02-05
Painted Lady 2020-04-03 2021-02-22
Comma 2020-01-19 2021-02-26
Small Tortoiseshell 2020-01-19 2021-02-26
Speckled Wood 2020-03-21 2021-02-27
Adonis Blue 2020-04-27 -
Brown Argus 2020-04-19 -
Brown Hairstreak 2020-07-12 -
Chalkhill Blue 2020-07-06 -
Clouded Yellow 2020-04-19 -
Common Blue 2020-04-26 -
Dark Green Fritillary 2020-05-25 -
Dingy Skipper 2020-04-14 -
Duke of Burgundy 2020-05-02 -
Essex Skipper 2020-06-14 -
Gatekeeper 2020-06-09 -
Grayling 2020-06-14 -
Green Hairstreak 2020-04-08 -
Green-veined White 2020-03-16 -
Grizzled Skipper 2020-04-08 -
Holly Blue 2020-03-25 -
Large Skipper 2020-05-19 -
Large Tortoiseshell 2020-03-03 -
Large White 2020-03-24 -
Long-tailed Blue 2020-08-10 -
Lulworth Skipper 2020-05-07 -
Marbled White 2020-05-19 -
Marsh Fritillary 2020-04-26 -
Meadow Brown 2020-05-17 -
Orange Tip 2020-03-26 -
Purple Emperor 2020-06-23 -
Purple Hairstreak 2020-06-07 -
Ringlet 2020-06-05 -
Silver-spotted Skipper 2020-08-03 -
Silver-studded Blue 2020-05-25 -
Silver-washed Fritillary 2020-06-07 -
Small Blue 2020-04-25 -
Small Copper 2020-03-24 -
Small Heath 2020-04-22 -
Small Pearl-bordered Fritillary 2020-05-27 -
Small Skipper 2020-05-27 -
Small White 2020-03-01 -
Swallowtail 2020-08-09 -
Wall Brown 2020-04-08 -
White Admiral 2020-06-04 -
White-letter Hairstreak 2020-06-15 -
Wood White 2020-04-19 -

More data