Three ethnographic documentaries from the American Museum of Natural History’s long-running festival in honor of the legendary anthropologist. Screening are Randy Olsen’s Flock of Dodos: The Evolution-Intelligent Design Circus (2006, PG, 84 min.), Dave and John Eckenrode’s El Inmigrante (2005, 90 min.), about Mexican illegal immigrants to the U.S.; and Sisters in Law (104 min.).