Polar bear twins Kallu and Kallik debut at Saint Louis Zoo, attracting visitors to their 40,000-square-foot habitat, with the ...
ST. LOUIS — You can now say "hello" to polar bears Kallu and Kallik at the Saint Louis Zoo! After a weeks-long quarantine and acclimation period, the twin brothers made their public debut on Tuesday.
Between standing guard while others eat, to switching off which bird leads in a V formation, geese embody cooperation, a ...