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Answer :
After the 1977 drought, the main finding of the medium ground finches on Daphne Major Island was that **fewer large-beaked finches survived**.
During the drought, the availability of small seeds drastically decreased, leading to a scarcity of food resources. This had a significant impact on the finch population, particularly those with larger beaks specialized for cracking larger seeds. With limited access to their preferred food source, these large-beaked finches faced higher mortality rates compared to their small-beaked counterparts. The reduced survival of large-beaked finches was attributed to their decreased ability to efficiently obtain food during the drought. In contrast, small-beaked finches had a higher chance of survival as they could consume smaller, more easily accessible seeds that were still available. This selective pressure resulted in a higher proportion of small-beaked finches surviving the drought, leading to a temporary shift in the finch population where small-beaked finches outnumbered large-beaked finches.
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