Learn how to say Fledglings correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word fledgling:
a young bird that has just fledged.
[usually as modifier] a person or organization that is immature, inexperienced, or underdeveloped:
the country’s fledgling democracy
mid 19th century: from the obsolete adjective fledge (see fledge), on the pattern of nestling
Fledgling can also be spelled fledgeling: both are correct.