Hints: Antarctica Kings inquisitive creche congregation

Throughout the winter, adults come and go from their traditional breeding colonies. Antarctica is home to two million Kings. In this one colony alone, there are 600,000 of them.
These engaging chicks are so inquisitive that you only have to sit down to their own level for them all to gather around you to try to discover what sort of creature you are. They were hatched last summer, and like the albatross chicks, they are just coming to the end of their first winter. During that period, their parents were out at sea catching food for them. But each chick was only fed about once every three weeks. Left to themselves for so long, er they've all gathered together to form immense creches. This one contains about 50,000 chicks. You might think that this huge congregation would make it almost impossible for a parent returning with food to find its own chick. But not so. The fact is that parent and chick can recognize one another's voice.

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