A crossbill is a unique finch species characterized by its crossed-bill tips. This specialized bill adaptation allows it to extract seeds from conifer cones by prying them open. Crossbills often display vibrant plumage, with males typically showing shades of red or orange and females more subdued in color. They are known for their acrobatic flight and can be found in coniferous forests where they rely heavily on cone seeds as their primary food source.

英語での「crossbill」の定義と意味

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