Science
Dinosaur frills were likely the result of sexual selection – The Natural History Museum
It is notoriously difficult to sex a dinosaur.

‘But people have come to realise that in actual fact, sexual selection is quite often more complicated than just males being big and flashy and females being dull,’ explains Andy.
‘While there are quite a few examples in living animals where usually females select males based on the size of their tail feathers or calls, it is quite often overlooked that males do the same thing with females as well.’
For example, in a species of bird known as the crested auklet, both males and females have a wonderful…
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