Adult Adelie penguins (Pygoscelis adeliae) lining up to leap off of an iceberg at Paulet Island in the Weddell Sea.

bird birds adult adelie penguins pygoscelis adeliae lining up queue queuing leap off iceberg ice berg ice berg paulet island weddell sea flightless seabird antarctica antarctic pygoscelidae brush tail brush tail penguins jump jumping fun play playing playful small group group groups social group social groups ice dive diving nobody