PURPLE MARTIN - Progne subis
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2021
All photographs are protected under Italian Law " Legge 22 April 1941 n. 633" on copyright. The photographs cannot be shared, used and manipulated without the consent of the author.
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PURPLE MARTIN - Progne subis |
North America | |||
| It’s the biggest swallow in North America. Their dark blackish blue feathers have an iridescent luster caused by the refraction of incident light, giving them a bright blue to intense violet appearance. The reproductive range extends from central Alberta to the eastern United States. Dimensions: 19 - 20 cm. Wingspan: 39 - 41 cm. | |||||
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All photographs are protected under Italian Law " Legge 22 April 1941 n. 633" on copyright. The photographs cannot be shared, used and manipulated without the consent of the author. |
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