Conversation so far:
How many animals does Tippi Hedren's Shambala Preserve house?
Tippi Hedren's Shambala Preserve houses some 70 animals.
Where is Tippi Hedren's Shambala Preserve located?
Hedren's Shambala Preserve is located at the edge of the Mojave Desert in Acton, California, between the Antelope Valley and the Santa Clarita Valley 40 miles northeast of Los Angeles.

Question: When was the Preserve started?
Self-contained rewrite: When was Tippi Hedren's Shambala Preserve started?