The Animal domain is grants divine spellcasters animal spell powers. They gain the ability to speak with animals and their knowledge of nature increases.
Prophecy Domain Spells
1st - Animal Friendship, Speak with Animals
3rd - Animal Messenger, Locate Animals or Plants (Animals only)
5th - Beast Sense, Conjure Animals
7th - Dominate Beast, Locate Creature
9th - Awaken (Animals only), Hold Monster
At 1st Level you gain a proficiency with Animal Handling and Stealth. When you are riding an animal or trying to calm it down you have advantage.
Channel Divinity: Charm Animals
Starting at 2nd Level you can use your Channel Divinity to charm animals as per the Nature Domain ability but you can only use it with animals and not plants.
Heightened Sense of Smell
From 6th Level you can use your heightened sense of smell on Perception and Survival skill checks. When you do so you gain advantage.
At the 8th Level you gain your own natural attacks. You can either gain a bite or claw attack. If you choose bite you have retractable sharp teeth that come out when you need them. If you choose claws they are also retractable. These natural weapons deal 1D10 piercing or slashing damage. At 14th level they deal 2D10 damage instead.
Mark of the Beast
With the arrival of 17th Level you can change into a non-flying creature of challenge rating 3 or lower. This is similar to the Wizard Transmutation ability called Shapechanger.