Adélie penguin

The Adélie penguin (Pygoscelis adeliae) is a species of penguin in Antarctica. It is the most widely spread penguin species, as well as the most southerly distributed of all penguins along with the Emperor Penguin. It's diet contains Krill and Fish
Description
These penguins are mid-sized, being 46 to 71 cm (18 to 28 in) in height and 3.6 to 6.0 kg (7.9 to 13.2 lb) in weight. These long feathers hide most of the red bill. The tail is a little longer than other penguins' tails. The appearance looks somewhat like a tuxedo. They are a little smaller than most other penguin species
Adélie penguins swim at around 5 miles per hour (8.0 km/h). They are able to leap 3 metres (10 ft) out of the water to land on rocks or ice.
Ecology
Diet
The Adélie penguin feeds on Krill Fish and Squid 
Predators
Adult Adélie penguins are preyed upon by Leopard seals. South polar skuas and Giant petrels will kill chicks and eat eggs as well. Giant petrels and Orcas will kill Adult Adélie penguins. Kelp gulls and Snowy sheathbills will also prey on chicks and eggs