YOU SAID:
I ate thirteen chickens which are tasty by themselves but with children they’re even better
INTO JAPANESE
私は13匹の鶏を食べました
BACK INTO ENGLISH
I ate 13 chickens
INTO JAPANESE
私は13羽の鶏を食べました
BACK INTO ENGLISH
I ate 13 chickens
That didn't even make that much sense in English.