The American palm swift moves nimbly through the air snatching hairs, feathers, and bits of cotton and other light, floating material, which it uses along with its saliva in building a nest.
Savukārt Amerikas palmu svīre ķer gaisā matiņus, spalviņas, kokvilnas pūkas un citus vieglus, vēja nestus materiālus un izmanto tos ligzdas darināšanai papildus savām siekalām.