British butterflies early this spring


This video from Britain is called Wildlife in our garden.

From Wildlife Extra:

Butterflies have had an early spring into action

Small tortoiseshells not only came out of hibernation a couple of weeks early, they were also seen in incredible numbers compared to previous years

April 2014: UK garden wildlife has sprung into action early this year according to the latest figures from the British Trust for Ornithology’s (BTO) garden birdwatch scheme. This scheme monitors the changing fortunes of birds and other garden wildlife through its network of ‘citizen scientists’. Observations collected by BTO Garden BirdWatchers are analysed by BTO researchers and published in leading journals.

Butterflies demonstrated the most dramatic patterns of emergence. Small tortoiseshells not only came out of hibernation a couple of weeks early, they were also seen in incredible numbers compared to previous years, with 23 percent of Garden BirdWatch gardens reporting them. In comparison, their previous highest emergence peak was 12 percent in 2012.

Brimstone butterflies also had a very good start to the year. The first few individuals were not seen much earlier this year than in previous years but the peak emergence in 2013 was just four percent compared to 21 percent of gardens reporting them in March this year.

Hedgehogs were also seen far earlier in the year than is usual, with the first individuals … being reported during late February, almost a month earlier than was the case in 2013, and up to two weeks earlier than in any of the last five years.

In contrast, amphibians, such as common frog and smooth newt, were not seen earlier than usual, but there appeared to be something of a mass emergence, with a surge in reports from participants’ gardens. From early March, both species were seen in more Garden BirdWatch gardens than they have been for the last five years.

Clare Simm, from tBTO’s Garden BirdWatch team, commented: “As you can see, Garden BirdWatch is not just about birds. Our volunteers provide us with vital information on other taxa too, helping us to understand how important gardens are as a habitat for all wildlife. It’s too early to tell how the early emergence of these species will affect them, but it is an exciting contrast to the patterns of emergence that we saw last year.”

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