From BBC.com:

“This is where it happened,” says Felipe Luis Codesal, opening the gate to a three-hectare field on his farm in Zamora, north-west Spain.

One night last November, a pack of wolves got through the fence surrounding the field and attacked Mr Codesal’s sheep, many of which were pregnant. When he arrived the next morning, he found 11 animals had been killed. Over the following days, he says, another 36 sheep died from injuries sustained in that attack and miscarriages it triggered.

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