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Questions and Answers
What type of birds are included in the generic term mentioned in the text?
What type of birds are included in the generic term mentioned in the text?
- Only tropical birds
- Ducks and other birds (correct)
- Only ducks
- Only mandarin ducks
Do all species of these birds migrate southward for wintering?
Do all species of these birds migrate southward for wintering?
- Yes, all species migrate southward
- No, all species are resident birds
- No, only some species migrate southward (correct)
- No information is given
What is the unique characteristic of these birds' feet?
What is the unique characteristic of these birds' feet?
- They are not mentioned in the text
- They are webbed (correct)
- They are attached to the middle of the body
- They are attached to the front of the body
What is a duck?
What is a duck?
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How do ducks move on land?
How do ducks move on land?
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Do all duck species migrate for wintering?
Do all duck species migrate for wintering?
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오리는 어떻게 수영하나요?
오리는 어떻게 수영하나요?
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오리의 발 위치는 어디에 있나요?
오리의 발 위치는 어디에 있나요?
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대부분의 야생오리들은 몸무게가 어느 정도일까요?
대부분의 야생오리들은 몸무게가 어느 정도일까요?
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Study Notes
Types of Birds
- The generic term includes various species known as ducks.
- Ducks belong to the family Anatidae, which also includes swans and geese.
Migration Patterns
- Not all species of ducks migrate southward for wintering; migration varies among species.
- Some ducks are resident birds, remaining in their habitat throughout the year.
Unique Characteristics
- Ducks have webbed feet, which are adapted for swimming and navigating in water.
Definition of Ducks
- A duck is a waterfowl belonging to the family Anatidae, characterized by their broad bodies, short necks, and flat, rounded bills.
Movement on Land
- Ducks move on land by waddling, which is facilitated by their body structure and webbed feet.
Winter Migration
- While many duck species migrate for wintering, some species do not, remaining in their natural habitats.
Swimming Mechanism
- Ducks swim by using their webbed feet as paddles, propelling themselves through water with coordinated movements.
Foot Position
- Ducks have feet positioned towards the back of their bodies, aiding in efficient swimming.
Weight of Wild Ducks
- Most wild ducks typically weigh between 1.5 to 3.5 kilograms, depending on the species.
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