Swifts are born to eat and sleep in the air
Nearly 100 species of swift are completely adapted to life in the air. That is the conclusion of researchers at Lund University in Sweden after having studied a third species and observing that some individuals did not land for over three months. “They eat and sleep while they are airborne. This is something that researchers have believed since the 1950s, and now we can show that it’s true”, says
https://www.science.lu.se/article/swifts-are-born-eat-and-sleep-air - 2025-10-29
