sentence: Cranes are highly social birds that live in large flocks.
sentences_before: Cranes are omnivores. They eat many kinds of plants, reptiles, small mammals, and other birds. The average life time of a crane is from 20 to about 25 years.
sentences_after: Some species of cranes are thought as holy in Asia, especially Japan.
concept_name: crane
headings: Crane (bird) Life
categories: Gruiformes