🔬 Science 2h ago · Natural History

Male Adélie penguins really do offer females a pebble as a mating gift, but the sweeter version of that story leaves out the rest of colony life — pebbles are so scarce on the Antarctic coast that theft between neighbouring nests is constant, coordinated, and occasionally ends in a full-on brawl

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You have probably seen the clip. A male penguin waddles up to a female and sets a pebble down beside her, an encounter that is usually described online as the penguin equivalent of putting a ring in a box.

The appealing story attached to scenes like this is that a male Adélie penguin finds a special stone, presents it to a female, and her acceptance seals the pair. That version is probably too neat. Pebbles really are involved in courtship and pair interaction, and males really do carry stones

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