开门见山,见题回答。这两只是珍珠鸟,一只白珍珠,一只灰珍珠。两只都是未成年的幼鸟。
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应该讲珍珠鸟虽然属"文鸟科",但和我们日常见到的文鸟差别还是挺大的。
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珍珠鸟是金山珍珠的别名,学名叫斑胸草雀(学名为Poephila guttata,英文名为Zebra Finch),也叫胁草雀、锦花鸟、锦华鸟、小珍珠、锦花雀等。
文鸟,又称之为爪哇禾雀,文鸟是若干侏形雀(mannikin)与梅花雀(waxbill)等似雀类的通称,
关于公母还是大一点在判断,判断公母灰珍珠鸟要简单一些,白珍珠鸟相对而言比较困难。
上述仅仅是一家之言仅供参考,鸟友讨论说错莫怪,希望对你有所帮助。