Penguins’ feathers are coated in a waterproof oil produced by an adaptive gland called the preen gland, according to Corbin Maxey, an animal expert and biologist. Penguin chicks, however, do not have ...
The Maryland Zoo just announced its most recent arrival: eight African penguin chicks hatched and are ready to greet the world (soon). Born just a week ago, these chicks join the largest population of ...
EDITOR’S NOTE: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...
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