March 25, 2009 > Turtles for adults Turtles for adults Visit Hayward's Sulphur Creek Nature Center for "Turtles Awake!" The adults-only nature program about pond turtle mating season, behaviors and habitats begins at 11 a.m. Saturday, March 28. Space is limited and advance registration is required. Turtles Awake! Saturday, March 28 11 a.m.-12:30 p.m. Sulphur Creek Nature Center 1802 D St., Hayward (510) 881-6700, Program #542 Registration required, $16