Sandhill Cranes, Dunes, and Mt. Herard In The Distance, Great Sand Dunes National Park And Preserve
One of 250 bird species found in the park, More than 20,000 sandhill cranes will spend 6 - 7 weeks each year in the San Luis Valley during their annual migration to southern New Mexico. Look for them in early February through late March, then again in late September through late March.