Fabulous freak beaks! Check out their awesome mouths that are decorated with colorful nodules or beads that make it easier for the parent birds to feed the chicks in the dark.
[ame]https://www.youtube.com/watch?v=zeQY_bAT1bA[/ame]
[ame]https://www.youtube.com/watch?v=zeQY_bAT1bA[/ame]