Same-sex penguin couples keep adopting eggs. Some are angry.

August 18, 2019 compassq 5 THINGS TO KNOW, HEROES, LIFESTYLES Comments Off on Same-sex penguin couples keep adopting eggs. Some are angry.
Male and female penguins have for years entered same-sex relationships to incubate eggs into chicks. (Joe Klamar/AFP/Getty Images)

To the untrained eye, Skipper and Ping look like a typical king penguin couple.

Standing side by side at the Berlin Zoo with their flippers touching, they take turns carefully nestling an egg between their feet in the hope that it…