Zookeepers found the two males incubating a purloined egg.
A pair of mated male penguins in a Dutch zoo were so eager for offspring that they stole an egg from another pair of penguins.
Two male black-footed penguins (Spheniscus demersus, also known as African penguins) at DierenPark Amersfoort zoo in the Netherlands were recently found incubating a purloined egg. Their nest — holding the stolen egg — was near a nest that belonged to a male and female penguin couple, zoo representatives said in a statement.
Hatching season was already underway for the zoo's penguin community, and the males likely swiped the egg from their breeding neighbors during "an unguarded moment," according to the statement.