Swiss ornithologists are alarmed: They have noticed a dramatic decline in bird populations in recent years. Since 2000 the number of skylarks in Switzerland has fallen by a third. Experts say it's a consequence of a general decline in biodiversity. (SRF/swissinfo.ch)
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Making Switzerland a better place for birds
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If you’re a crested tit in the woods, Switzerland is a great place to live. But if you’re a skylark you’re in trouble.
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