It all comes down to lemmings

Por um escritor misterioso

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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