Questions:
45. Why were the swallows marked with a red dye?
46. What two methods of identifying birds have been mentioned in this
47. What facts about homing or migrating birds are difficult to explain
48. What phrases are used to describe the 'homing Instincts of birds
verbale
Answers
Answer:
the birds who move or go from one place to another to meet their necessities like climate, food etc.
The swallows marked with a red dye:
45. The swallows were marked with a red dye to identified easily. A few years ago seven swallows were caught near their nests at Bremen in Germany. They were marked with a red dye on some of their white feathers so that they can be easily caught if they try to fly.
Two methods of identifying birds:
46. It can be done with the naked eye, through a visual device like binoculars and telescopes, by listening for bird, or by watching public webcams. Bird watching often involves a significant auditory component, as many bird species are more easily detected and identified by ear than by eye.
Facts about homing or migrating birds:
47. Migration means moving from one place to another to live for sometime. Migrating birds flew to another place when season changes because they cannot survive in that temperature of the season. They migrate to another country and place so they can easily live there.
The homing Instincts of birds verbale:
48. The bird have most power of homing instinct. The homing instinct that encourages them to discover their path home from many miles away, in any event, when blindfolded. They have preferable visual perception over people and have been prepared by the U. S. Coast Guard to spot orange life coats of individuals lost adrift.
Learn More About Migration of birds:
Reasons of migration of birds
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Write a note on migrating birds of India
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