Bird nests are round. Construction plans are part of the animal's genetic code. Sometime long ago, a bird or birds learned that there is an advantage to having a round, tubular, or globular nest. A circle is the most economical way to define space. For investment of material and effort, circles, tubes, and globes hold more at least expense circumference to volume ratio). Smart birds.
Why are bird nests round?
It's about economy
By jim williams
July 27, 2015 at 10:21PM
Songbird
Hummingbird
Cliff Swallow
Grebe
about the writer
jim williams
Several home watch businesses joined together in the Minnesota Home Watch Collaborative to stay vigilant across the whole state.
