What size do breeding groups of zebra finches typically break down into around their nesting territories?
Answer
About 50 individuals
The social structure of the zebra finch significantly dictates their behavior based on the time of year and reproductive needs. Outside of the breeding season, they are known to form very large social flocks, sometimes numbering one hundred or more individuals, often traveling extensively while searching for scattered food resources. However, during the breeding period, this social structure shifts dramatically. These large flocks break down into much smaller, defensible units consisting of approximately 50 individuals. These smaller groups establish themselves around specific nesting territories, where localized defense is concentrated, contrasting sharply with their nomadic tendencies during non-breeding phases.
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