# How cows are helping one of Britain's rarest butterflies

- Published: 2026-07-10T09:07:01Z
- Updated: 2026-07-11T05:10:51Z
- Section: Science & Environment
- Language: English (en)
- Source: BBC News — https://www.bbc.co.uk/news/articles/c621jgepljvo?at_medium=RSS&at_campaign=rss
- Tags: BBC News · Science
- Canonical: https://www.khabarestan.com/en/news/%DA%AF%D8%A7%D9%88%D9%87%D8%A7-%D9%86%DA%AF%D9%87%D8%A8%D8%A7%D9%86%D8%A7%D9%86-%D9%85%D8%AE%D9%81%DB%8C-%D9%BE%D8%B1%D9%88%D8%A7%D9%86%D9%87%D9%87%D8%A7%DB%8C-%D9%86%D8%A7%D8%AF%D8%B1-%D8%A8%D8%B1%DB%8C%D8%AA%D8%A7%D9%86%DB%8C%D8%A7

The high brown fritillary needs bracken and a certain violet to thrive - but everything in moderation.

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