According to About.com, caribou, or reindeer as they are commonly called, are considered to be a grazing herbivore, and their diet mainly consists of the leaves of willow and birch trees, grasses, sedges and lichen. Reindeer moss, in particular, is a common dietary staple.Know More
The caribou's diet changes according to the season. Lichen is the caribou's primary winter food source. Research suggests caribou occasionally eat fish, such as arctic char, small rodents, including lemmings, and bird eggs during spring when sustenance is not always abundantly available. During one research project, a specific group of reindeer was observed eating mushrooms with great enthusiasm during the late summer.
Caribou have a four-chambered stomach, which makes them a ruminant. Besides some gastropods, they are the only animals to have been found with the enzyme lichenase, which is used to break down lichenin to glucose. Because of this, caribou are the only large mammal capable of metabolizing lichen.
Caribou have hooves that change according to the season. During winter, their hooves become denser, which allows them to dig through the snow to access lichen. Their hooves become softer and more sponge-like during the summer, which allows them to walk comfortably on the thawed tundra ground.Learn more about Deer
During the winter, deer survive on woody plants like oak, willow and dogwood trees, winter crops like wheat and clover, and winter fruits. Deer prepare for winter by eating acorns, which are high in carbohydrates, during the fall.Full Answer >
White-tailed deer are herbivores that eat leaves, acorns, fruits, twigs and grass. They may also feed on alfalfa, corn and even lichens when they are available. The white-tailed deer's diet changes throughout the seasons depending on what types of food are present.Full Answer >
Deer will eat pumpkins, and pumpkins along with beans, lettuce, squash, strawberries and peas are some of the deer's favorite garden foods reports the NW Farms & Food organization. Deer tend to eat these planted crops because they are most similar to weeds and other grass plants that the deer eat throughout the year.Full Answer >
According to Rutgers University, deer eat mums. The university's Cooperative Extension program identifies mums as plants that are "occasionally severely damaged." In areas frequented by deer, it is suggested that fencing or repellents be used to reduce the possibility of damage to the flowers.Full Answer >