Possible Clues:

• Animal with velvety antlers
• Animal whose name comes from the Narragansett word for 'twig-eater'
• Mammal on Ontario’s coat of arms
• Deer? Sounds like a cow at end of lane
• Second outsize European deer
• American animal, sullen? Not right
• Big antlered beast
• Land animal that sounds like an airy food
• Animal on Ontario's coat of arms
• Mammal that becomes a bird if you change its first letter