“Yoshi! Yoshi! (Hey! I'm Baby Yoshi! You look like you know where to find food, so I guess I'll follow you!)”
—Glowing Baby Yoshi, New Super Mario Bros. U
A Glowin Baby Yoshi is a yellow Baby Yoshi appearing in New Super Mario Bros. U. It has the ability to light up dark areas by pressing the Classic Controller ZR button button on the GamePad or by shaking the Wii Remote. The amount of light shone increases the more the player shakes. Glowing Baby Yoshis also have the ability to stun enemies with the bright light. Glowing Baby Yoshi also emits a glow even in his dullest light. Glowing Baby Yoshi also adds a chorus to the current music, but only when shaken.
Glowing Baby Yoshi is very similar to a Glow Block from New Super Mario Bros. Wii, as both illuminate dark places when carried. Additionally, Baby Bulb Yoshis' overall appearance resemble Bulb Yoshi, from Super Mario Galaxy 2.
This is the only Baby Yoshi that cannot be found on the World Map, and therefore, cannot be taken into other levels. In addition, its light-based abilities are only functional in dark areas, making this Baby Yoshi less useful if used in normal levels. However, if the players carry one to the goal, the Glowing Baby Yoshi gives an extra life as reward and remain behind the fortress, unlike the other Baby Yoshis that remain in front of the building and then follow the characters when they enter.