Serious birdwatchers can subscribe to text-message services ( or twitter feeds ) that will tell them where others have spotted an iberian chiffchaff recently .

认真的观鸟爱好者会通过短信订阅或者推特推送来获得通知，可以得到类似最近在何处有人观察到了伊比利亚棕柳莺等的消息。

The chiffchaff , which normally migrates to iberia and north africa rather than crossing the sahara , now regularly overwinters in britain , especially in the milder areas of the south and west .

通常迁徙到伊比利亚和北非而不穿越撒哈的棕柳莺，现在规律性的在英国，尤其是温暖的南部和西部过冬。