Effects of embryonic estrogen on differe
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Wade, Juli; Gong, Anson; Arnold, Arthur P.
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Article
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1997
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John Wiley and Sons
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English
β 231 KB
π 2 views
Male zebra finches sing to court females, whereas females do not normally sing. In parallel, the telencephalic brain regions that control song are larger in volume and contain larger cells in males than in females. The vocal control organ (syrinx) is also larger in males. Some evidence suggests that