The Center for Environmental Education is open from 8 a.m. to 5 p.m., every Saturday and Sunday, through Sunday, April 28; $7 per vehicle. Activities are free with park admission; unless otherwise noted, reservations are not required. Saturday, March 16 at 8:15 a.m., M.E. Flynn guides a bird walk starting at the Kannally Ranch House; and from 10:30 a.m. to 12:30 p.m., Kathie Schroeder answers questions about her companion, "Sueño" the Harris hawk. Sunday, March 17, at 11 a.m.: herpetologist Ed Moll presents local reptiles and discusses their history; call 895-2425 for a reservation. Tours of the historic Kannally Ranch House take place at 10 a.m. and 2 p.m., every Saturday.