Adult head lice can live for approximately 24 hours away from a host, according to the Centers for Disease Control. Nymphs, or young head lice, can live for only several hours away from a host. Lice eggs are less dependent on a host, and they can live for up to one week without a host. Continue Reading.
Lehigh Valley Zoo. The Lehigh Valley Zoo is a 29-acre (11.7 ha) zoo located in Schnecksville, Pennsylvania, United States, inside the 1,100-acre (445 ha) Trexler Nature Preserve. The zoo is open year round. The Lehigh Valley Zoo has been accredited by the Association of Zoos and Aquariums (AZA) since March 2006.
The Philadelphia Zoo, located in Philadelphia, Pennsylvania, on the west bank of the Schuylkill River, was the first zoo in the United States. It was opened on July 1, 1874.