- Adapted to extremely cold environments.
Musk Oxen:
- Thick undercoats provide insulation.
Snowshoe Hare:
- Large feet help disperse weight on snow.
Arctic Fox:
- White fur camouflages in winter's ice, while grey color provides summer concealment.
Snowy Owls:
- Adaptated in winter, with white plumage
Polar Bears:
- Excellent swimmers due to webbed feet, and thick coat provide buoyancy during long sea swims while hunting on sea ice.
Emperor and Adelie Penguins (found in Antartica):
- Have specialized feathers helping to stay dry and provide insulation,
lay their eggs during freezing seasons and chicks hatch during warmest
part of the summer season which coincide with highest food supply from ocean.