Chinstrap penguin adults feed their chicks mouth to mouth until it is time for them all to enter the sea for the southern winter. These penguins were on Half Moon Island, Antarctica.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/79721788@N00">David Stanley</a> from Nanaimo, Canada
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/davidstanleytravel/52011716094/">Penguin Feeding Chick</a>