will allow the keeper to close or open the hatch as he/
she sees the animal has passed through.
If there is a walkway for keepers next to or between
animal enclosures, it is important that there is enough
space for the keepers to stay out of reach of the
animals. Especially with primates, cats and bears this is
important as these animals can seriously harm a person
through the bars of the enclosure.
Doors that give access to outside areas should open
to the inside of the enclosure. By doing so, the animal
cannot simply open the door by jumping at it if it is