the.com/swallow
a bird so committed to flight it eats, drinks, and mates midair.
sleeps aloftSome species stay airborne for months without landing
mud architectsBuilds nests pellet by pellet from beak-carried mud
loyal returnsMigrates thousands of miles back to the same nest
unladen velocityInspired a famously absurd Monty Python debate
spring heraldAncient sailors read its arrival as good fortune