It all comes down to lemmings

Once the Snowy Owl pair is formed, the rest of the nesting process may seem like a foregone conclusion – but it’s not so simple. In fact, there have been a number years when we haven’t located a single Snowy Owl nest across our 100 square mile study site. And the most important determining factor of the Snowy Owl’s breeding success? A small, unassuming rodent called the Brown Lemming. During successful breeding years, up to 95% of a Snowy Owl’s diet is made up of these small mammals. Yet lemming

Lemming Lessons and a Case Study – Documentary Site

Lemmings, Midnight Paper Wiki

Bachdenkel – Lemmings (1978, Vinyl) - Discogs

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Lemmings - the truth behind the myths - Nature Travels Blog

Lemmings hi-res stock photography and images - Alamy

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lemming - Kids, Britannica Kids

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Lemming eating hi-res stock photography and images - Alamy

The nature of the Norwegian lemming: 'bloodthirsty, hairy berserkers', Helen Sullivan