Iron Trapdoors will duplicate when activated with Lever.
You cannot put a block next to a block next to a Iron trapdoor
Chickens are always flapping wings, despite the fact they are not falling.

I expect to be able to place a block next to a trapdoor without it breaking.
I expect chickens to only flap their wings when falling.

When any block is place to the Iron trapdoor the trapdoor with break and drop.
When you activate a Iron trapdoor it will drop another trapdoor but wont break
Chickens will always flap wings.

Steps to Reproduce:
1. put down a block on a flat surface
2. put a trapdoor on side of the block
3. put a lever on top of the block
4. Flip the lever to activate Iron trapdoor
5. Trapdoor will spit out Iron trapdoors each time lever is flipped

Steps to Reproduce:
1. Place down a block
2. Put an Iron trapdoor on the side of the block
3. Place another block next too Iron trapdoor
4. Iron trapdoor will break and drop.

Steps to Reproduce:
1. Spawn chicken
2. Watch as wings always flap