Possible Clues:

• Source of water precious, as they say, for wild animal
• Beasts in tree sinned, we hear - nothing odd there
• Beasts of the Arctic
• Large animal of northern regions
• Draught animals of the present day?
• Eg, Santa's Rudolph
• Highfliers at Christmas
• Dancer's control over rising English film director?
• Sounds as if it's wet, my dear, for the old claws, by the sound of it
• Beasts responsible for the present transport system