British Big Butterfly Count results


This video from Britain is called Big Butterfly Count with Sir David Attenborough.

From Wildlife Extra:

Results of the 2014 Big Butterfly Count

The results are in for the 2014 Big Butterfly Count, held over three weeks in July and August and involving nearly 45,000 people spotting almost 560,000 butterflies.

The big winners were the Common Blue (up 55 per cent), Red Admiral (up 43 per cent), Speckled Wood (up 28 per cent) and Small Tortoiseshell (up 22 per cent). The summer was also good for Peacock, which was the most abundant butterfly in this year’s count.

The Small Tortoiseshell, one of the UK’s favourite butterflies, continued its fight back this summer after years of decline, despite enduring the coldest August since 1993.

This is the highest-ever ranking for the Small Tortoiseshell in the Big Butterfly Count and represents an amazing comeback for a species that had become scarce in parts of southern England.

This little butterfly, the populations of which have declined by 78 per cent since the 1970s, saw numbers rise by almost a quarter compared to last summer.

The drop in temperature in August had a knock-on effect on the majority of the UK’s common summer butterflies, curtailing the flight period of some species and hastening others into early hibernation.

It wasn’t all good news, in that the average number of individual butterflies seen per-count dropped from 23 in 2013 to 15 in 2014.

And, in all, 15 out of 21 of the target species decreased compared with 2013, only six species increased year-on-year.

The common white butterflies all recorded a disappointing summer. The Large White was down by 65 per cent, the Small White by 60 per cent and the Green-veined White by 47 per cent. The count’s two migrant species – the Painted Lady and the Silver Y moth – also had a lacklustre year.

Butterfly Conservation Surveys Manager Richard Fox says: “After a good summer in 2013, the big question this year was whether butterflies would continue to recover and build up even greater numbers or slip back again.

“Thanks to another amazing turnout from the public, we know that the answer is a real mixture. The Small Tortoiseshell had a good year in 2013 and this seems to have acted as a springboard for the species, enabling it to increase massively again this summer.

“It’s fantastic news for a species that has lost three-quarters of its population since the 1970s.

“Others such as the Gatekeeper held their ground this year, but sadly, many common butterflies appear to have sunk back from last year’s peak in numbers.”

Results can be found here.

11 thoughts on “British Big Butterfly Count results

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