Read the following passage and answer these questions:-
Q-1. What are the two important things required for bird watching?
Q-2. State three features of a bird guide.
Q-3. What is the essential information that bird anatomy provides? ( any three points)
Q-4. How are range maps useful?
Answers
Answer:
1. Bird watching requires a pair of binoculars and a field guide that helps us
identify the bird species.
2. Birds have many unusual physical abilities, right from having lightweight hollow bones to possessing really powerful talons. Some use these features for self-defense, some use them to catch prey and for some these abilities spell fun, like our very own lyrebird.
3. Most birds have approximately 175 different muscles, mainly controlling the wings, skin, and legs. The largest muscles in the bird are the pectorals, or the breast muscles, which control the wings and make up about 15 - 25% of a flighted bird’s body weight. They provide the powerful wing stroke essential for flight.
4. Range maps to show the seasonal occurrence of birds throughout the area covered by the guide. Many different symbols are used in field guides – such as a variety of colors – to indicate where bird species can be found during different times of the year.
Answer:
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