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Bird Age Calculator Quiz
Test your understanding of bird age calculator with randomized questions. Each attempt generates new numbers for a fresh challenge.
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For a specific bird species, the first year of life is equivalent to 8.5 human years. After the first year, each subsequent bird year is equivalent to 4.5 human years. If a bird is 4 years old, what is its human-equivalent age? (Assume 4 > 1)