Order Charadriiformes 89 species in 20 genera Size: Between 13 and 66 cm. Distribution: All the continents. Most of the species breed in arctic and subarctic regions of the northern hemisphere and carry out great migrations toward the wintering areas. Habitat: Wetlands and pastures during breeding. Coastal and interior wetlands during wintering. Feeding: Mainly molluscs, crustaceans and worms. Also insects and vegetables. Breeding: The nest is generally a depression on the gound. Sometimes, a cavity in a tree. 2-4 eggs. Incubation 18-30 days. Nestling period 16-50 days. Threat status: 13 threatened species (3 Critically Endangered, 3 Endangered and 7 Vulnerable). 2 Extinct [+info]