Trying to tell what effects are on this singer's voice?

Hello, I am trying to break down vocals and effects used on them in songs. Particularly on the band:

Cage The Elephant

Example:

https://www.youtube.com/watch?v=nu2rCQnNPGE

at the 50 second mark and most of the song

I am new, so that is why I ask. A lot of their songs choruses are similar, is it doubled live or in post? does he use a harmonizer ? thoughts?

Thanks,

Spencer

Trying to tell what effects are on this singer's voice?