![Brown hairstreak butterfly on leaf](/sites/default/files/styles/grid_teaser/public/2018-11/wildlifetrusts_40330364462.jpg?h=4e026002&itok=vBIyHu6r)
Good news for the brown hairstreak butterfly
Counting eggs is the most reliable way to monitor brown hairstreak populations, but can be an arduous task given their relatively tiny size.
Wild Writing by Nicola Chester
Counting eggs is the most reliable way to monitor brown hairstreak populations, but can be an arduous task given their relatively tiny size.