What does it mean to be a “semi-aquatic” dinosaur? What does it mean to be a “semi-aquatic” dinosaur? Was it wading in the shallows, or could it have been a skilled swimmer? Each scenario paints a ...

(via BBC Earth) Hunting isn't enough when survival is on the line. After outsmarting some agile prey in the river, Sobek must defend his catch from another Spinosaurus to ensure the survival of his ...

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