Vlinderstichting

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A sooty copper butterfly seen in the Drentsche Aa, a national park in Tynaarlo, in 2016
Crime
Researcher at butterfly foundation threatened over pesticide report
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A European peacock butterfly spotted in the Netherlands in 2017
TechNature
"Very clear trend" showing "constant decline in butterflies" continued in 2023
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Pieridae butterfly
Nature
Netherlands butterfly population declined 40 percent since 1992
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Atalanta butterfly
Nature
Count butterflies in the garden this weekend