后院给小鸟建了个winter shelter，有个carolina wren几乎天天来睡觉
睡觉时间到了
https://www.youtube.com/watch?v=IhSHRRPr9Wo&t=10s
白天也会来整理一下床铺
https://www.youtube.com/watch?v=KyQTKpBK0bo&t=11s
早晨总被它的配偶喊出去
https://www.youtube.com/watch?v=9fzRpdsv5g0
Wren sleeps in warm birdhouse
Winter is coming