️<unk>️<unk>️<unk>️  Happy Feet<unk> pu<unk>e avoir déclenché l'intérêt du monde pour les plus grandes espèces de pingouins, mais on connaissait peu de choses sur la fluctuation du nombre de pingouins empereur, jusqu'à présent. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ It was found that at some point, the Antarctic was too cold for these birds.<unk> It was found that at some point, the Antarctic was too cold for these birds. <unk> <unk> ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ Temperatures were at least 15 degrees colder on average than they are today and only three colonies of the penguin survived that period.<unk> Lead researcher Jane Younger said that despite emperor penguins being accustomed to temperatures of minus 30C, the last Ice Age seems to have been a snap too cold for them. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ <unk> <unk> <unk> <unk> <unk> <unk> <unk> Due to there being about twice as much sea ice compared to current conditions, the penguins were unable to breed in more than a few locations around Antarctica,<unk> Ms Younger said.<unk>Due to there being about twice as much sea ice compared to current conditions, the penguins were unable to breed in more than a few locations around Antarctica,<unk> Ms Younger said. The distances from the open ocean, where the penguins feed, to the stable sea ice where they breed was probably too far.<unk> ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ <unk> <unk> <unk>
<unk> <unk> <unk> During the last ice age, colonies were seven times smaller as opposed to the 50 thriving colonies now. <unk> During the last ice age, colonies were seven times smaller as opposed to the 50 thriving colonies now. <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk>