The bird born in an aviary and raised in captivity
Can never live in Nature's World amongst the wild and free
Even the birds of it's own species will peck it till it die
So never allow your feathered pet the freedom of the sky.

I am naive of the laws of Mother Nature and naive of Nature's way
And for interfering with Nature there is some price to pay
The bird born in captivity in a cage must remain
Why even it's own kind in the wilds would kill it is beyond me to explain

Humans try to manipulate Nature and Nature's creatures control
But Mother Nature far greater than Human kind her's is an eternal soul
For we are like Nature's Seasons we come to life and go
Yet of our Earth Mother who feeds us so little we seem to know.

The bird born in captivity in a cage condemned to stay
For if released the other birds will kill it since this is Nature's way
And Mother Nature herself as old as father time
She claims the young and she claims the old and those still in their prime.

Francis Duggan

http://www.poemhunter.com/poem/the-laws-of-mother-nature/