Generally I am contemptuous of nativity scenes. Even without the religious overtones, I can only bear so much sentimentality, and even less shlock.
However, I may have to change my mind. Behold, the Chickenativity!
The main site has a whole slew of other themes, including one charmer featuring baby Jesus as an infant hippo. http://www.amerheritage.com/salespages/bigsky/bigskycarver.htm
The real irony is that I don’t think there’s irony involved.