1173 - I Know Dino Crossover
Sleep With Me
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The Evolution of Flight
There are a lot of reasons dinosaurs may have first evolved more complex feathers before being able to fly. The ground up theory the w capital w capital a i r wing assisted incline running this could be called trees up. Baby birds use their wings as they're growing to help them run up steep slopes like tree trunks or branches and that detail makes it a little harder to translate into powered flight since it's counterintuitive.
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