Penguins Do the Wave to Keep Warm | National Geographic

when the temperature is as cold as minus

when the temperature is as cold as minus 50 degrees Fahrenheit it helps if

50 degrees Fahrenheit it helps if

50 degrees Fahrenheit it helps if there’s a warm body nearby emperor

there’s a warm body nearby emperor

there’s a warm body nearby emperor penguins in the Antarctic are known to

penguins in the Antarctic are known to

penguins in the Antarctic are known to huddle together for warmth but what we

huddle together for warmth but what we

huddle together for warmth but what we didn’t realize was that they were

didn’t realize was that they were

didn’t realize was that they were creating a wave when new penguins joined

creating a wave when new penguins joined

creating a wave when new penguins joined the huddle and that wave helped move the

the huddle and that wave helped move the

the huddle and that wave helped move the huddle and mass physicist Daniel sitter

huddle and mass physicist Daniel sitter

huddle and mass physicist Daniel sitter Bart from the University of Erlangen

Bart from the University of Erlangen

Bart from the University of Erlangen Nuremberg in Germany recorded

Nuremberg in Germany recorded

Nuremberg in Germany recorded high-resolution time-lapse images of the

high-resolution time-lapse images of the

high-resolution time-lapse images of the huddle near the new mayor Antarctic

huddle near the new mayor Antarctic

huddle near the new mayor Antarctic Research Station they were then speeded

Research Station they were then speeded

Research Station they were then speeded up to see what was happening as Penguins

up to see what was happening as Penguins

up to see what was happening as Penguins move in generally from the rear penguins

move in generally from the rear penguins

move in generally from the rear penguins in the huddle make small steps in a

in the huddle make small steps in a

in the huddle make small steps in a formation to help the tightly formed

formation to help the tightly formed

formation to help the tightly formed mass remain intact sitter Bart and his

mass remain intact sitter Bart and his

mass remain intact sitter Bart and his colleagues point out that it is crucial

colleagues point out that it is crucial

colleagues point out that it is crucial that the huddle is continually

that the huddle is continually

that the huddle is continually reorganized to give each penguin a

reorganized to give each penguin a

reorganized to give each penguin a chance to spend sufficient time inside

chance to spend sufficient time inside

chance to spend sufficient time inside the huddle

the huddle

the huddle compared to time on the periphery the

compared to time on the periphery the

compared to time on the periphery the wave is created by the small steps

wave is created by the small steps

wave is created by the small steps estimated at just two to four inches the

estimated at just two to four inches the

estimated at just two to four inches the researchers suggest those steps serve

researchers suggest those steps serve

researchers suggest those steps serve three purposes first to keep the pack as

three purposes first to keep the pack as

three purposes first to keep the pack as dense as possible second it leads to

dense as possible second it leads to

dense as possible second it leads to forward motion of the entire huddle and

forward motion of the entire huddle and

forward motion of the entire huddle and thirdly overtime leads to its

thirdly overtime leads to its

thirdly overtime leads to its reorganization separate smaller Huddle’s

reorganization separate smaller Huddle’s

reorganization separate smaller Huddle’s can also merge into larger clusters the

can also merge into larger clusters the

can also merge into larger clusters the impure penguins in these videos are all

impure penguins in these videos are all

impure penguins in these videos are all male and most carried an egg on his feet

male and most carried an egg on his feet

male and most carried an egg on his feet the females have not yet returned to the

the females have not yet returned to the

the females have not yet returned to the colony the study was published in the

colony the study was published in the

colony the study was published in the online scientific journal PLoS ONE

online scientific journal PLoS ONE

online scientific journal PLoS ONE you