Read the following passage. Pick out all the nouns, adjectives, verbs, adverbs and pronouns.
Barren-ground caribou are true wanderers. They seldom stay in one place for a long time. In summer they move from pasture to pasture, looking for food. In the fall they migrate south to where the weather is milder. In spring they travel northward to calving grounds, where they give birth to their young.
