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What was the purpose of the tiny slits in bird feeders introduced in the 1930s?
What was the purpose of the tiny slits in bird feeders introduced in the 1930s?
- To allow large birds to access the seed
- To make the bird feeders easier to clean
- To keep large birds, such as crows, away (correct)
- To allow rats to access the bird seed
What was the concern that led to changes in bird feeder design in the 1970s?
What was the concern that led to changes in bird feeder design in the 1970s?
- The presence of bacteria (correct)
- The presence of rats
- The presence of cats
- The presence of large birds
According to Lähdesmäki, what does the history of bird feeding reveal about human nature?
According to Lähdesmäki, what does the history of bird feeding reveal about human nature?
- That people care equally for all animals
- That people want to take care of nature (correct)
- That people dislike all animals
- That people are primarily concerned with feeding birds
What did Aivelo learn from studying bird feeders?
What did Aivelo learn from studying bird feeders?
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Why did people make changes to bird feeders to prevent birds from pooing on them?
Why did people make changes to bird feeders to prevent birds from pooing on them?
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What is the main reason why people in the study stopped feeding birds?
What is the main reason why people in the study stopped feeding birds?
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What was the primary method of bird feeding in the past, according to Aivelo?
What was the primary method of bird feeding in the past, according to Aivelo?
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Why did people start building roofs for bird feeders?
Why did people start building roofs for bird feeders?
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What sparked historian Heta Lähdesmäki's curiosity about bird feeders?
What sparked historian Heta Lähdesmäki's curiosity about bird feeders?
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What is the focus of the Helsinki Urban Rat Project?
What is the focus of the Helsinki Urban Rat Project?
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