WASHINGTON: An unpredictable, yet scorching and dry climate kept large, grass-eating dinosaurs out of the tropics for some 30 million years after they first appeared on Earth, a study out Monday found.
It has been a longstanding mystery: why did long-necked dinosaurs seem to avoid the tropics when there were many different types of them lived at different latitudes well north and south of the equator? There are fossil remains, however, of meat-eating dinosaurs in the tropics.
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