Who's cuter: An orphaned polar bear cub or a baby koala?

Baby animals are cute — this we much we know. But when these little guys popped up on our radar, we had some trouble deciding which newborn is the absolute cutest. Competition isn't always this fierce, so we’re putting the question to readers.

Does orphaned baby polar bear Kali, captured playing with a stuffed teddy bear by nature photographer John Gomes, melt your heart most? Or do you prefer a koala bear weighing in while clutching a toy version of its adorable little self? Take a look at these charming moments, then vote for your favorite in the survey below!

Cub John Gomes / Alaska Zoo
Kali adorably struts through the snow.
Cub John Gomes / Alaska Zoo
Kali, an orphaned polar bear cub, plays with his new best friend: a stuffed teddy bear.
Cub John Gomes / Alaska Zoo
Kali is bottle fed at his temporary home at the Alaska Zoo in Anchorage on March 23.
A young koala sits on the back of a toy koala while being weighed in the zoo in Duisburg, Germany, on March 27, 2013. The young animal is one of two b... Marius Becker / AFP - Getty Images
The competition: A young koala bear clutching a toy koala while being weighed at the zoo in Duisburg, Germany on March 27.