https://2ahawaii.com/index.php?topic=45380.msg419430#msg419430It is unlawful to feed feral chickens/cats or shoot them for no reason (animal cruelty again)..
Had a similar issue with a neighbor (tenant) feeding the chickens in her yard and then the whole flock would come over to my place crap and tear up the garden/ plants.
I started picking them off with airgun in my yard and she called the cops.
cop.. You shooting chickens with pellet gun ?
me.. Yup
cop... you can't shoot air gun in yard
me... Explain rules about projectile not leaving property.
cop...shooting chickens is animal cruelty.
me ...I'm not being cruel, I am hunting them to feed my dog.
cop... Got a hunting license ?
me... no need hunting license for chickens, no such thing.
I then inform him that feeding feral chickens is illegal.
first offense was $50, second $100 forgot what the third offense cost.
(This was back in the days when the Boy scouts were doing "Chicken Round ups" for $5 per head. 2004ish ?).
Cop went over and wrote her a $50 ticket, end of problem.

Can't find that law (not really looking) but it looks like they tried to increase the fines.
https://www.civilbeat.org/beat/feeding-feral-chickens-could-result-in-500-penalty/Modify message
« Last Edit: April 07, 2022, 01:17:43 PM by Rocky »
p.s.
Head shot not required though does make them ALMOST drop in their tracks.
Vital shot thru wing to organs works but you may have to walk 5'-10'.
(assuming your not shooting a Daisy Red Ryder range model air rifle with a compass in the stock and this thing that tells time.”)
Most .177 doing minimum 1,100 fps will do, alloy pellets can give you another 200 fps