1.   The survival rate of penguin chicks, already fairly low, may be reduced even further.

2.   These trips can last more than three weeks, long enough for penguin chicks back in the rookery to die of starvation, Boersma said in an interview.

3.   Lying on his stomach, Tony Williams reached into a burrow, grabbed a terrified penguin chick by the neck and put it in a ventilated cardboard box.

4.   Thousands of Antarctic penguin chicks face starvation as huge icebergs and unprecedented ice levels in the Ross Sea cut parent birds off from feeding grounds, scientists said Friday.