That is actually false for most bird species. Nobody really knows how the rumor got started... except maybe by well meaning people to get others to leave wildlife alone.

If anything you have more to worry about by poking through a young bird's fragile front. (you won't feel that you've done any damage, but it happens and there's almost no way to tell.)

Quote Originally Posted by sandragonfly
the mother bird often wouldn't want to take care of their babies after smelling hand oil. but sure do keep an eye on him for any predators.