Order Passeriformes 435 species in 98 genera Size: Between 6,5 cm (Short-tailed Pygmy-tyrant, Myiornis ecaudatus, the smallest of the world's passerines) and 28 cm (Great Shrike-tyrant, Agriornis lividus). Distribution: Nearctic and Neotropical Regions. Most of the species are migratory. Habitat: Mainly forestal. Some species restricted to wetlands and savannas. Feeding: Insectivorous. They sometimes include fruits in the diet, as well as small vertebrates (fish, reptiles or amphibians). Breeding: Very varied nests, the most common structure is an open cup. Some species nest in cavities, other ones built hanging nests and others occupy other birds' nests, expelling them previously. Threat status: 29 threatened species (10 Endangered and 19 Vulnerable). [+info]