The BBC reports
Scientists are calling for a shake-up of the penguin kingdom, saying the gentoo penguin is four species, not one.
According to new evidence, the birds are slightly different in shape and size, and can be told apart by their DNA.
Counting them as separate species will help in conservation, they argue, making it easier to monitor declines.
Read more at Gentoo penguins are four species, not one – BBC News
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