Pakistan, April 16 -- A 5.2-magnitude earthquake struck Southern California, triggering a remarkable response from elephants at the San Diego Zoo Safari Park. Video footage captured the herd reacting swiftly as the tremors began. Initially scattering, they quickly regrouped to form an "alert circle" around their calves, demonstrating their instinctive protective behavior.

In the video, older elephants Ndlula, Umngani, and Khosi efficiently shielded the two seven-year-old calves, Zuli and Mkhaya. They stood in formation with ears spread and heads turned outward, appearing vigilant even after the shaking stopped. Mindy Albright, the park's mammal curator, explained that elephants can sense seismic vibrations through their feet.

One calf, ...