Yes.
All birds molt. Some do it gradually over the course of the year and some do it more dramatically, seasonally.
http://www.learner.org/jnorth/tm/robin/ExpertAnswer03.html
http://www.ornithology.com/lectures/Feathers.html
yeah, all birds molt.
This one doesn’t. And this one doesn’t. But if it is one of these it does.
Don’t forget this one.
But this one probably does molt.