Adelie penguins (Pygoscelis adeliae), at breeding colony at Brown Bluff on the eastern side of the Antarctic Peninsula, Antarctica, Polar Regions

adelie penguins pygoscelis adeliae breeding colony brown bluff antarctica polar regions wildlife observation nature snow arctic marine life birdwatching scientific research ecosystem habitat conservation penguins cold climate snowy landscape animal behavior colonies nesting incubation field study antarctic expedition environmental science biodiversity avian species flippers feeding social interaction landscape natural habitat coastal ecology migration population habitat restoration penguin characteristics research expeditions scientific observation animal studies seasons polar climate ice snow cover natural environment climate change marine habitat wildlife protection