Crepuscular animals favour twilight hours, while cathemeral ones are active in short bursts throughout the day. The diurnal ones prefer the daylight hours, while nocturnal species haunt the night. Most dinosaur reconstructions portray the animals walking about in bright sunlight but of course, we know that living animals are active at all times of the day. And according to a new study, they probably met and died sometime around dawn or dusk. The two combatants were killed in this pose, around 75 million years ago. The Protoceratops, an early horned dinosaur, has the raptor’s arm in its mouth, and the raptor appears to be kicking its prey in the neck. As dramatic fossils go, it’s hard to beat the Mongolian fighting dinosaurs – a Velociraptor and a Protoceratops locked in mortal combat.
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