Cornell Lab
https://www.allaboutbirds.org/
eBird
https://ebird.org/
Birdingplaces
https://www.birdingplaces.eu/
Audubon
https://www.audubon.org/
朱红蜂鸟巢安在樱花树上,宝宝们还太小,看不见头,蜂鸟的母鸟负责筑巢,生蛋,养娃。