Mute swan (Cygnus olor) swimming on lake in Ohio. These birds may stand over 1.2 meters high and weigh more than 15 kg, making them some of the heaviest flying birds. They are native to Europe and were introduced to the US in the late 1800s. While generally tame, especially to those who regularly feed them, mute swans have been known to attack people who enter their territory or threaten their cygnets. Some swans live in colonies of over 100 pairs. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Matulavich, Peter |
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Länge: | 18 Sekunden |
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