Atom: three line stanzas=tercets.
Count letters: 5-7-5.
This poem linked tercets under title.
No punctuation or capitalization like haiku.
Momentary Stay Now
an owl
hoots to
bug me
robin
pecks at
Earth
eagle–
they now
pause
it’s my
chance–
laugh
http://www.rainbowcommunications.org/velvet/forms/
My Thanks to Linda Varsell Smith for her contributions above.
As far from the American Sentence as you can get in Haiku analogues.