Meadow brown - Conservation status (Denmark): Least concern (LC) - Lowest risk (Does not qualify for a more at-risk category; widespread and abundant taxa are included in this category)

Græsrandøje (Maniola jurtina)

Is the most numerous of Danish butterflies, which is also found throughout the rest of Europe. It is seen everywhere with high grass, from June to September.

Wikipedia 

Meadow brown

The meadow brown (Maniola jurtina) is a butterfly found in the Palearctic realm. Its range includes Europe south of 62°N, Russia eastwards to the Urals, Asia Minor, Iraq, Iran, North Africa and the Canary Islands. The larvae feed on grasses.

Wikipedia