Here's your daily adorable-ness. A baby ostrich on its first exercise run outdoors chases Tim Steinmetz, resident ostrich (ratite) expert at the California Academy of Sciences.
As their first and main caretaker, Tim functions as a mother figure for the ostriches, who are under the Academy's care for a short spell, as part of the new "Earthquake" exhibit. See here for more info about why ostrich chicks are part of an earthquake exhibit. And here's another video of the ostrich chicks, if you didn't get enough.