Traveler’s Notes . . .

Early risers take note: Gates at both the San Diego Zoo and the San Diego Wild Animal Park open at 7:30 a.m. this summer, to view animals’ morning feeding and waking habits. Information: (619) 231-1515 for the zoo, (760) 747-8702 for the park. . . . U.S. travel to Australia is booming as the Australian dollar falls and some air/land packages from L.A. go for $1,000 or less. U.S. visits were up 11.6% in January, 16.7% in February and 18.3% in March, compared to 1997, which was a record year, tourism officials said.