The Great Bustard (Otis tarda) is in the bustard family, the only member of the genus Otis. It breeds in southern and central Europe, where it is the largest species of bird, and across temperate Asia. European populations are mainly resident, but Asian birds move further south in winter. Spain now contains about 60% of the world's population.
Read more about Great Bustard: Taxonomy and Etymology, Description, Habitat, Behavior, Populations, Threats and Conservation Status