Nature’s Structural Engineers


 

 Structural Engineers in action
Whether you’re a ‘bird person’ or not, this is stunning!
Not to detract from the sheer magic of it, but in practical terms, how M A NY trips would a bird have to make with that tiny little quantity of mud/clay it could carry? (and how far from the nest is the source?)
 
If you take the construction of a “circular bowl” in your stride as instinctive – how the heck does the bird come up with the windbreak entrance design that shields the eggs/chicks from the elements – and at what point in fashioning the bowl do they start to construct it?
 
 
 
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Even if you think you could build this?  
Try it without using your hands! Or help of any other kind.