Tp'ing various mobs into my water box has determined that chickens can for some reason swim up a single block, but no further. Sometimes they don't even leave the ground.
MC-47784
Chickens can not swim up
Resolved
Duplicate
0
Stratus
(Unassigned)
Unconfirmed
Minecraft 14w06b
Retrieved
Indeed, it's strange because they have wings and yet they fail to rise to the surface, while other creatures like zombies succeed.