Page 2 - 1.Polar Regions

• They have a special nasal passage that prevents the loss of heat during exhalation.

• The Penguins often huddle together so that they can stay warm.

C. SEAL
• Seals have sensitive whiskers that can sense slight changes in water current. They

also help them to catch their food.

• Seals have streamlined bodies that help them to swim without resistance.
• They have fur to keep them warm. The fur also acts like a water- resistant layer.

D. SIBERIAN CRANE
DO YOU KNOW!
• They undergo a process of moulting or
Siberian cranes are born with beautiful
shedding of feathers after their wear blue eyes but after about 6 months, they
change to a light-yellow colour.
and tear once or twice a year.
• They fly in groups to avoid predators.

MIGRATION-

• Seasonal movement of animals and birds from one region to another.

Animals and birds migrate for the following reasons-
• To find food

• To escape the harsh climatic conditions. For example- Migratory birds migrate in

order to escape from extreme cold during winter season.
• To breed.