Why do you think it's more common to have chickens?
Discussion
Chickens produce more eggs when trying to be industrious & the meat is super popular.
Duck eggs & meat are considered delicacies.
Commercialized food systems have neutered quality & variety for the sake of efficiency.
Further, in a permaculture system, you're usually looking to replace your diet aspiring to be self sufficient.
Most people don't even think of ducks.
