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Crab-munching herbivores

http://www.bbc.co.uk/news/science-environment-41341231

https://www.livescience.com/60470-poop-reveals-vegetarian-dinosaurs-ate-shellfish.html

A nice discovery, this. Given what know of mouse-eating deer, and fruit-eating crocogators, this has long been suspected by palaeontologists, so it's good to have it confirmed by the fossil record. Good link with the dietary habits of birds, too.
Or, to put it another way, your round up of recent news.

Further discoveries reveal much more detail in the story of Razanandrongobe sakalavae, a giant predator with a lot to say for itself (metaphorically speaking):

http://blogs.discovermagazine.com/deadthings/2017/07/04/jurassic-megapredator-was-armed-with-t-rex-teeth/

Neanderthals, Denisovans, and a diaspora from ancient Africa:

https://www.nytimes.com/2017/07/04/science/neanderthals-dna-homo-sapiens-human-evolution.html

The Chicxulub impact may have been responsible for the rise of frogs:

http://www.bbc.co.uk/news/science-environment-40482039

http://www.sciencemag.org/news/2017/07/extinction-killed-dinosaurs-may-have-led-frog-explosion

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