Tends to buzz around flowers and gives honey when killed, you can also right-click a bee to pick it up and place in inventory. 3x bee's in a row can craft a beehive.
Bunnies appear in green grass areas (prairie biome in ethereal) and can be tamed with 4 carrots or grass. Can also be picked up and placed in inventory and gives 1 raw rabbit and 1 rabbit hide when killed.
Found in green areas (bamboo biome in ethereal) and lays eggs on flat ground, Can be picked up and placed in inventory and gives 1-2 raw chicken when killed. Feed 8x wheat seed to breed.
Wanders around eating grass/wheat and can be right-clicked with empty bucket to get milk. Cows will defend themselves when hit and can be right-clicked with 8x wheat to tame and breed.
Found on green grass these cute cats walk around and can be picked up and placed in inventory as pets or right-clicked with 4x live rats or raw fish (found in ethereal) and tamed. They can sometimes leave you little gifts of a hairball.
Green grass and wheat munchers that can be clipped using shears to give 1-3 wool. Feed sheep 8x wheat to regrow wool, tame and breed. Right-click a tamed sheep with dye to change it's colour. Will drop 1-3 raw mutton when killed.