Did you know.,.,the swan is the only bird unable to sing??
Except when they are about to die.,.,. they feel that moment and they are able to sing a beautiful song.,.,that is not poetic,that is for real.
And by the way kind of ironic that perhaps the most beautiful bird
Is unable to do what even the smallest bird can do.,.,sing.,.,in spite of his beauty, they cant do the most pleasurable thing that birds can,it could be said that beauty has a price.
Now in other terms it refers to a final accomplishment that requires a magnificent effort., but.,it would be so big.,that the performer would not survive.., it is like a farewell.,.,an heroic