您即将离开北大未名BBS，访问
https://www.rspb.org.uk/birds-and-wildlife/advice/gardening-for-wildlife/animal-deterrents/cats-and-garden-birds/are-cats-causing-bird-declines/
该网址与北大未名BBS无关，提醒您访问时注意判断信息真伪。
继续访问