They can fly as soon as they fledge. The parents will fly and swoop with them though.
Long-billed Cuckoo was created in 1858.
Long-tailed Cuckoo was created in 1787.
It takes about 13 days after hatching before a Bluet Robin to fly from the nest. This is after the mother has left them.
Tawny Frogmouths fledge at 25-35 days.
roadrunner
Between 10 and 19 days is commonly quoted amongst birdwatchers but eggs hatched in aviaries invariably take 14 days. While a longer incubation period for eggs laid in habitat could possibly be the result of disturbance, a shorter incubation period than 14 days is exceedingly unlikely.
Normally for several months, until they fledge and can hunt for themselves.
He was a cuckoo.
After about three weeks they fledge, or take their first flight. They may stay in the nest another week.
a cuckoo
A fledge