I just looked that up, very impressive: > “They feed in the air, they mate in the air, they get nest material in the air,” [0] > "They can land on nest boxes,

I just looked that up, very impressive: > “They feed in the air, they mate in the air, they get nest material in the air,” [0] > "They can land on nest boxes, branches, or houses, but they can’t really land on the ground.” That's because their wings are too long and their legs are too short to take off from a flat surface. [0] https://www.nationalgeographic.com/animals/article/swift-bird-10-month-migration https://www.nationalgeographic.com/animals/article/swift-bir...