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Option 2: "They are highly susceptible to getting entangled in fishing hooks"
Explanation: This option accurately reflects the main concern presented in the text. It highlights the threat to the wandering Albatross from longline fishing, where they become entangled by hooks and drown, leading to an estimated annual death toll of 100,000 birds.
Option 1: "Their flying mechanisms are highly efficient"
Explanation: While the text mentions that the flying mechanisms of the wandering Albatross are efficient, this is not the main concern being conveyed. The focus of the text is on the threats they face, particularly from fishing practices.
Option 3: "Most of them are living in the southern oceans"
Explanation: Although the text states that most albatross species live in the southern oceans, this fact does not address the main concern about their survival. It is merely a descriptive detail rather than a pressing issue.
Option 4: "Lack of detailed picture of their migratory movements"
Explanation: This option misrepresents the text. The research being conducted aims to create a detailed picture of their migratory movements, indicating that this is not a concern but rather an ongoing effort to understand the species better.
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