When a magnitude 5.2 earthquake rattled Southern California on Monday morning, the seismic event was not only felt by residents but also by the wildlife at San Diego Zoo Safari Park in Escondido. In a remarkable display of natural instinct, the park’s African elephant herd sprang into action, forming a tight defensive formation known as an “alert circle” to shield their young. https://colitco.com/earthquake-san-diego-zoo-elephants-protect/