Maximum birds don’t acknowledge their members of the family after their first yr. There are exceptions to this, particularly amongst social birds similar to cranes, crows, and jays. Canada Ducks additionally consider their folks, and can even rejoin their folks and siblings all over iciness and on migration.
Then again, Black-capped Chickadee fledglings scatter in autumn, and every one joins a unique iciness flock from its siblings and fogeys. Mallards and grouse do imprint on their folks, however there’s no proof that they acknowledge their folks or members of the family after their first yr.