A tan renga is a poem in tanka form written by two poets. Here is a classic haiku by Matsuo Basho (translated from Japanese) and my response. A group of crows is not a flock; it’s called a murder. Linking to Carpe Diem Haiku Kai prompt.
on a bare branch
a crow lands
autumn dusk
© Basho (Tr. Jane Reichhold)
murder happens upon tree
whose responsibility?
(lynn)
credit: free stock photos
a poem in my pocket 
Nov 25, 2016 @ 08:28:46
So much going on in your two lines, we’ll done.
Nov 25, 2016 @ 08:29:46
Thank you
Nov 25, 2016 @ 06:35:58
Nice use of the plural form too. 🙂