Purple martins (Progne subis) perch on bracket above their house at purple martin colony in Ohio. Martins migrate to North America each spring from South America to nest and bring up their young. They are the largest North American swallows and are common throughout the eastern half of the U.S., parts of the West Coast, and southern Canada. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Matulavich, Peter |
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Länge: | 22 Sekunden |
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