Once the Saiga antelope roamed the Eurasian steppe in huge herds. In recent years, it has been hunted close to extinction and is now considered a critically endangered species. Its strange-looking nose is almost like a cut-off elephant’s trunk—scientists believe this special nose warms up frigid air before it reaches the Saiga’s lungs in winter and filters out dust in summer. (BBH/ Shutterstock) Read More