Sunday 19 January 2014

Animal adaptations in arid environments

Kangaroo rat:


Found: South-West USA and Mexico
Height: 100-200mm 

Characteristics:

Behavioral:

  1. Licks fur to keep cool
  2. Lives in burrow during day

Physical:

  1. Does not perspire
  2. Highly efficient kidneys that concentrate urine into dry droppings
Fennec Fox:

Found: Sahara
Height: 200mm

Characteristics:

Behavioral:
  1. Lives in burrows during the day to avoid the heat
Physical:
  1. Large ears with blood vessels close to the surface to lose body heat (moisture gained from prey).
  2. Light-coloured coat reflects heat.
  3. Excretes highly concentrated urine.
  4. Soles of feet protected by thick fur to run across hot sand.

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