Tundra Adaptations

Tundra Adaptations

1. Migration

   • Whimbrels
     • Migrate to Tundra in Spring
     • Breed
     • Double weight before migrating south
       • California, Chile a migration of around 1000 miles
   • Ptarmigan
     • Summer in northern Tundra
       • Winter in Low alpine tundra and forests of central alaska
   • Caribou
     • Caribou Winter in taiga and forests
     • Caribou Summer in Tundra
   • Fish
     • Winter in deaper lakes and ponds
     • Summer in shallower Tundra lakes

2. Shelter

   • Lemmings, voles, shrews, weasels, squirrels, some plants live beneath the snow
     • The Subnivean zone
   • Wingless insects
     • Spend their lives in soil, mosses, or plants
   • Plants
     • Near the grounds surface
     • Warmer and less wind near surface

3. Food

   • Bear
   • Hybernate
     • Squirrals and marmots drop heart rate, breathing, 98% less energy Bears: modified hibernation,  small decrease to heart hate, body temperature is not reduced
   • Arctic Ground Squirrels
   • Marmot

4. Size and Shape

   • Tundra Hares
   • Larger Bodies
   • Smaller appendages
   • Arctic Fox
   • Lemmings
   • Small Size
     • Shrews
     • Arctic Plants

5. Fur, Feathers

   • Woolly Louswort
   • Ptarmigan
   • Tundra Bumblebees
   • Muskoxen
   • Hollow Hair
   • Waxy Coating

6. Color

   • Blue, Purple Flowers
     • absorb more solar energy
   • Insects
   • Camouflage

7. Antifreeze

   • Insects
   • Wood Frogs
   • Plants
   • Fish

8. Growth and Reproduction

   • Tundra Moth 5-10 year childhood
   • Predatory Birds Will not produce young when food is scarce
   • Fish 10 years as juvenille