Are we sure that penguins can actually tell each other apart by gender and it’s not just pairing up with whoever’s most convenient and some of them get lucky?
We humans are very well adapted to tell humans apart, penguins are very well adapted to tell penguins apart. They have gender specific mating calls for example.
Are we sure that penguins can actually tell each other apart by gender and it’s not just pairing up with whoever’s most convenient and some of them get lucky?
Yes.
We humans are very well adapted to tell humans apart, penguins are very well adapted to tell penguins apart. They have gender specific mating calls for example.