Relating to or characteristic of antarctalia; describing organisms, flora, or fauna native to Antarctic or sub-Antarctic biogeographical regions.
From 'antarctalia' + '-ian' (suffix indicating relation or belonging). A biogeographical descriptor for Antarctic species and ecosystems.
Penguins and seals are 'antarctalian' species—they're specially adapted to survive in that brutal Antarctic environment, which is why they look and act so differently from animals in warmer places!
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