The Chester Zoo in Chester, England, received a special delivery of baby Humboldt penguins, and they've been given names that are out of this world!
Last year the zoo's clutch (brood of chicks) got their names from British Olympic stars. But this year they are named after icons from the beloved British TV science-fiction series "Doctor Who," which is celebrating its 50th anniversary this year.
Weighing just 2.3 oz., the baby chick Doctor (named for the show's hero, a mysterious alien known simply as "the Doctor") is one of the first Humboldt penguins to hatch at the zoo this year. He's been joined by Tardis (the Doctor's vehicle for traveling through time and space), Dalek (the Doctor's most dreaded foes are homicidal cyborgs called the Daleks) and Davros (the mad scientist who created the Daleks).