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Flight is the main mode of locomotion used by most of the world's bird species. Flight assists ... than chicks produced by predator-free females. Their wings are also longer. Both adaptations may make them better at avoiding avian predators.


How do you make air move faster? We blew air over the top of the sheet of paper to create the lower pressure. You cannot do that for birds and planes. Instead ...


This six-part lesson is designed to teach you the basics of how birds fly. Introduction ... These are some adaptations that help make birds light: Hollow bones ...

Oct 17, 2012 ... I used After Effects and Photoshop to make this video.. Read more ... honestly I don't care how birds fly. ... A bird can fly, but a fly cannot bird.


Sep 21, 2011 ... One of the requirements for heavier-than-air flying machines is a structure ... Birds have many physical features, besides wings, that work together ... tiny cross pieces to make bones stronger – this reduces the force of weight ...


Sep 19, 2016 ... Dr. Universe: How can birds fly when they flap their wings, but when we ... of the individual feathers, helps make it possible for the bird to fly.


Birds must be lightweight to fly, so have evolved very lightweight hollow bones. ... They are composed of keratin, which is the same protein that makes up our ...


Jan 5, 2012 ... Surely, humans have tried to make this work. It seems like it could work. Unfortunately, I think we are doomed to remain as ground-based ...


So gravity is so smart that it can keep millions of gallons of water stuck to it but a bird or a bug is not crushed by its power. This makes no sense to me at all.