Pterodactyls are not dinosaurs, they were flying reptiles that lived during the age of dinosaurs but by definition they do not fall into the same category. The same goes for water based reptiles such as Plesiosaurs.

Gorillas are considered apes, not monkeys. The way to distinguish between an ape and a monkey is that apes do not have tails.

Double Dutch jump rope is considered a cross-training sport.

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