AMERICAN GOLDFINCH The Migratory Birds Convention 100 Years of Protection Moneda Plata 20$ Canada 2016

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Migratory Birds Convention represents an enduring partnership between Canada and the United States to protect our beloved migratory bird populations. This Silver coin is the third coin in this new series and features the American Goldfinch, a colourful bird protected under its provisions. Limited mintage to only 6.500 pieces worldwide.

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79.95 €

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Específicas
País Canadá
Año 2016
Valor Facial 20 Dólares
Metal Plata
Finura 999/1000
Peso (g) 31.39
Diámetro (mm) 38
Calidad Proof
Tirada (uds) 6.500
Certificado de Autenticidad
Caja
 
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American Goldfinch
The American goldfinch (Spinus tristis), also known as the eastern goldfinch or "lightning bird," is a small North American bird in the finch family. It is migratory, ranging from mid-Alberta to North Carolina during the breeding season, and from just south of the Canadian border to Mexico during the winter. The only finch in its subfamily to undergo a complete molt, the American goldfinch displays sexual dimorphism in its coloration; the male is a vibrant yellow in the summer and an olive color during the winter, while the female is a dull yellow-brown shade which brightens only slightly during the summer. The male displays brightly colored plumage during the breeding season to attract a mate.The American goldfinch is a granivore and adapted for the consumption of seedheads, with a conical beak to remove the seeds and agile feet to grip the stems of seedheads while feeding. It is a social bird, and will gather in large flocks while feeding and migrating. It may behave territorially during nest construction, but this aggression is short-lived. Its breeding season is tied to the peak of food supply, beginning in late July, which is relatively late in the year for a finch.

 
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