chicks that have fallen victim to the harsh winter winds. alexander vin terrell from the university of air lang and is working on one of the world's most comprehensive, long term studies today and from looking so for why that these chicks presumably died 2 or 3 months ago. we can see that from their size, since then they've been preserved in the ice into a microphone. it's not uncommon for emperor tricks to die young knows the conditions here are just very harsh to know how to be the one here. but the size of the colony remains stable. nature appears to factor into the infant mortality rate . the scientists are also looking for penguins that they tagged years ago was gps sensors. they want to know how far the penguins stray from the colony while hunting . using high resolution cameras, the scientists observe the colony throughout the year in winter, the entire colony huddled together. the school had sealed from you, mountain t, as notice each bird aims to expend as little energy as possible in the cold winter when their rearing young is so they tried to optimize their position in the colonies v