Similiar to the zebra issue posted back in january
If you right clikc a duck with anything it will consume it
Modpack: Engineers Life 1.09 By dreams01
Proof
https://streamable.com/3ueobm
Version of the mod: BetterDefaultBiomes-1.16.4+-Alpha 2.5.3

Log
latest.log

Thanks for the feedback! However, this is fixed in Alpha 2.6.0