The road to adulthood is paved with mood swings, skin flare-ups, and so many physical changes that you might feel like a completely different person by the end. If you were an aphid, on the other hand, you wouldn’t go through puberty at all—instead, you’d basically be born pregnant.

Growing up looks drastically different for every species, and on this episode of The List Show, Mental Floss editor-in-chief Erin McCarthy is sharing some facts about this delicate period of maturation. From birds whose feathers explode with color to dogs that rebel against authority, pubescent animals are all pretty fascinating, to say the least.

That goes for humans, too. Did you know that left-handed kids hit puberty later than their right-handed counterparts? And what exactly causes boys’ voices to suddenly get so deep? Find out all this and more in the video below.

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