So do pigs.
Baby phase: Cute lil piggy
Teenage phase: Dirty older piggy
Adult phase: Yummy bacon
@PBnJ, RIP Wilbur
That's not an awkward teen phase. That's an awkward baby phase.
(They actually hit puberty much later, for example my green cheek conure hit puberty when he was about 4, and should live for about 30 years.) (The stage shown in the picture is in the pin feather stage and the bird is probably only a month or two old)