Chicken

Chickens are passive mobs that first appeared in Alpha mode. The main purpose of chickens is to supply feathers, essential for arrows. Chickens are 0.875 blocks tall, 0.5 blocks wide and 0.8125 blocks long.

Behavior
Chickens wander around aimlessly. They will make no attempt to stay out of water, and a common sight is several chickens bouncing up and down in the water. If you stand near a chicken, it will turn its head towards you for a few seconds, then resume it's wandering. Chickens often spawn alone, but can spawn in groups of 1-3.

Information & History
Chickens are the second smallest mob (the first being small slimes) being able to fit through 1x1 gaps. They take no fall damage, and when they fall they make a flapping animation and fall slower that normal.

Drops
Alpha
 * 0-2 feathers
 * Eggs (Random)