This is a great zoo for a cheap day out. It is very open plan with a great variety of animals and birds from around the world. The zoo also houses an amusement park.
official site (in Japanese)
Closed from December 29th to January 1st (inclusive
9:30 a.m. to 4:00 p.m.
ADULTS (including high school students 500 yen
ELEMENTARY/MIDDLE SCHOOL STUDENTS 100 yen
PRESCHOOLERS free