This week, just in time for the San Diego Zoo’s official reopening to the public on June 20, a 2-month-old male pygmy hippopotamus and his mother, Mabel, graduated from their maternity habitat to the larger main pygmy hippo habitat in the Lost Forest area of the Zoo.

There’s no need to scramble to stave off boredom: Teachers, kids and parents will find a wealth of fun, free and educational tools and content online, provided by San Diego Zoo Global.