Nut trees are an important source of food for humans and animals alike. There are many types of nut trees, each with their unique qualities and flavors. Some common nut trees include almond, walnut, hazelnut, pecan, and chestnut. However, sometimes synonyms for "nut trees" are used such as deciduous fruit trees, fruit trees with edible nuts, and hard mast trees. Some people also use the term arboreal nut-producing species when referring to nut trees. Regardless of what you call them, nut trees are a valuable part of our ecosystem, providing nutritious food and habitat for wildlife.