Question

Name the bird that is found in cold regions of the southern world only

Answer 1

those who live in this region all year round—include the Raven (although very conspicuous), Puffin, Red-Legged Kittiwake, Rock and Willow Ptarmigan (most abundant species during winter), Brunnich’s Guillemot, Ross’s Gull, Sabine’s Gull, Harlequin Duck, Gyrfalcon, Auks, Skua, Fulmar, and Snowy Owl. Although, some full-time Arctic bird residents have been known to head south when food is scarce.  

Answer 2

Penguin?

as the live in Antarctica which is the southern world