Britain’s butterfly numbers are ‘worryingly low’, report warns


Britian’s butterfly numbers are still ‘worryingly low’ – despite unusually warm weather this year, new data has revealed. 

Wildlife charity Butterfly Conservation has released data from The Big Butterfly Count, which records the number of butterflies and day-flying moths across the UK.

The results showed that it was good news for certain species including Gatekeeper and Common Blue, which flourished in the warm weather. 

However, numbers of the insects are still declining, with an overall change of -2.8 per cent compared to last year. 

Britian’s butterfly numbers are still ‘worryingly low’ – despite unusually warm weather this year, new data has revealed

The Gatekeeper was the most spotted butterfly during this year's count, having been counted 142,618 times

The Gatekeeper was the most spotted butterfly during this year’s count, having been counted 142,618 times

Big Butterfly Count 2022 UK 
Species  Abundance  Average per count  % change from 2021 
Gatekeeper 142,618 1.58  58.6% 
Large White  139,666  1.55  -9.4% 
Small White  125,839  1.39  -25.8% 
Meadow Brown  109,310  1.21  -17.5% 
Red Admiral  40,547  0.45  -20% 
Peacock  39,199  0.43  -5.5% 
Small Tortoiseshell  29,288  0.32  13% 
Comma  27,916  0.31  94.7% 
Ringlet  26,193  0.29  -38.5% 
Common Blue  24,592  0.27  154.4% 
Speckled Wood  24,013  0.27  97.4% 
Green-veined White  17,162  0.19  -8.1% 
Holly Blue  14,809  0.16  199.8% 
Small Copper  12,492  0.14  -18.9% 
Six-spot Burnet  8,607  0.10  -19.8% 
Painted Lady  8,288  0.09  1.2% 
Brimstone  7,321  0.08  36.4% 
Marbled White  5,521  0.06  -71.4% 
Jersey Tiger  3,235  0.04  136.5% 
Silver Y  1,493  0.02  -39.4% 
Scotch Argus  998  0.01  -36.2% 
TOTAL  809,107  8.95  -2.8% 

‘We might have expected this summer to have been a much better one for butterflies given the good weather we experienced in many parts of the UK,’ said Dr Richard Fox, Head of Science for Butterfly Conservation. 

‘The fact that more butterflies weren’t seen is concerning and it’s clear that much more needs to be done to protect and restore habitats to aid nature recovery. 

‘The sun could shine for days on end, but we still won’t see more butterflies unless there is habitat for them to thrive in.’ 

The Big Butterfly Count relies on volunteers spending 15 minutes outside each summer, counting the number and type of butterflies they see. 

This year, almost 100,000 Butterfly Counts were carried out, with participants spending a combined total of 2.5 years counting butterflies in their gardens, local parks and in the countryside.  

Dr Zoe Randle, Senior Surveys Officer at Butterfly Conservation, said: ‘The vast majority of Big Butterfly Counts are done in gardens, which makes this data especially valuable because this type of habitat is under-represented in many of our other schemes.’

The results revealed how 2022 was a great year for several species. 

The Gatekeeper was the most spotted butterfly during this year’s count, having been counted 142,618 times. 

This is welcome news, according to Butterfly Conservation, as the species experienced its second worst Big Butterfly Count result last year.  

Blues thrived this year, with both the Common Blue and Holly Blue (pictured) faring well, increasing by 154.4 per cent and 199.8 per cent respectively when compared to 2021

Blues thrived this year, with both the Common Blue and Holly Blue (pictured) faring well, increasing by 154.4 per cent and 199.8 per cent respectively when compared to 2021

The Comma, a popular species often found in gardens, saw an increase of 95 per cent compared with last year

The Comma, a popular species often found in gardens, saw an increase of 95 per cent compared with last year

Blues also thrived this year, with both the Common Blue and Holly Blue faring well, increasing by 154.4 per cent and 199.8 per cent respectively when compared to 2021. 

Meanwhile, the Comma, a popular species often found in gardens, saw an increase of 95 per cent compared with last year.  

‘We can create habitat for butterflies such as the Holly Blue and Comma in our gardens, by cultivating Holly and flowering Ivy for the former and growing Hop, elms and nettles for the latter,’ advised Dr Randle. 

‘Gardens that are wildlife friendly can provide vital habitat for these insects, allowing them space to feed, breed and shelter.’ 

Unfortunately, overall the trend for butterflies across the UK remains a declining one. 

The results show an average of just under nine butterflies seen per count – an all-time low in the 13 years since the project began.

Well-known favourites saw marked declines from 2021, including Red Admiral (-20 per cent), Small White (-25.8 per cent), and Meadow Brown (-17.5 per cent). 

Butterfly Conservation hopes the findings will help to shed light on how butterflies are coping with climate change, changing weather, and habitat loss. 

Next year’s Big Butterfly Count will take place from July 14 – August 6.  

THE AMAZING MIGRATION OF THE MONARCH BUTTERFLY

The 3,000-mile mass migration of monarch butterflies in North America is one of the insect world’s fantastic feats.

Millions embarking on the arduous journey from as far north as Canada down into Mexico and the California coast each autumn.

The number of migrating monarchs has plummeted in recent years. 

Researchers said while an estimated one billion monarch butterflies migrated to Mexico in 1996, that number stood atabout 35 million this past winter.

Threats to them include habitat loss due to human activities, pesticides that kill milkweed and climate change, experts say.

Monarch butterflies living east of the Rocky Mountains spend their winters in Mexico to escape the cold weather while those west of the Rockies spend winters on the California coast before returning home in the spring. 

Scientists say their orange color tells potential predators they taste awful and are toxic to eat thanks to chemicals from the milkweed plants that nourish them in their larval state. 

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