A zebra from Tucson’s Reid Park Zoo gave birth to a healthy female foal on Dec. 25. The foal is a Grevy’s zebra and will be monitored by staff in the following weeks.“The foal is very steady on her feet and has been busy exploring her new home at mom’s side,” Adam Ramsey, director of animal care, said in a statement on the zoo's website.The foal is the third baby for Reid Park