This story just rocks!
These penguins are eager for their stones. They begin screeching with excitement as the first bucket of rocks is dumped inside their home in the Penguins’ Rock exhibit at the Tennessee Aquarium on Thursday morning.
“These are like magic rocks that signal breeding season,” said Loribeth Lee, senior aviculturist at the aquarium. “They have a one-track mind, and breeding is all they can think about.” Once a year, typically during the first week of April, aquarium staffers begin to haul more than 500 pounds of rocks into the exhibit for the penguins to use to build their nests. The rocks they bring in are specially selected: they need to be small enough for penguins to carry in their beaks, but not so small they can be swallowed, Lee said. During the breeding season, penguins are noticeably more aggressive, Lee said. They occasionally get into fights over rocks and each other’s…
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