I had a terrific day at the zoo today. With my brothers. They made some adjustments like a one way walking route throughout the park. And a maximum number of visitors allowed in by means of making online reservations for a certain time slot. At some areas people did get too close, which seems unavoidable. But it's very easy to make yourself feel safe by just stepping away.
The weather was perfect. Warm. Not too hot yet. Since it was a smaller zoo we had seen it twice by two o'clock.