Order Gruiformes 15 species in 4 genera Size: Between 90 cm (Demoiselle Crane, Anthropoides virgo) and more than 170 cm (Sarus Crane, Grus antigone). Distribution: All the continents excepting South America and Antarctica. Some species are long distance migrants and other ones are considered not migratory, but they also perform short seasonal movements. Habitat: During breeding season they occupy wet open areas, as meadows and marshes. Out of the breeding period they occupy agricultural fields. Feeding: Invertebrates and small vertebrates, also seeds. Breeding: The nest is a platform on the ground or on shallow water. 1-3 eggs. Incubation 28-36 days. Threat status: 11 threatened species (1 Critically Endangered, 2 Endangered and 8 Vulnerable) [+info]