Macaroni penguins need to be left alone to mate, a zoo official says Bachelor penguins are to be removed from a zoo's colony over Valentine's Day, leaving couples alone to breed and boost numbers.

royal penguin, macaroni penguin, gentoo penguin, Fiordland penguin, chinstrap penguin, king penguin, little blue/fairy penguin, yellow eyed penguin, Magellanic penguin and the erect crested penguin.

PITTSBURGH (KDKA) — A macaroni penguin at the Pittsburgh Zoo named Mickey is one of the oldest in North America after celebrating her 40th birthday. Mickey turned 40 over the weekend ...