tundra swan :
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- Birds are beautiful, but also bad news
Species that edges out trumpeter and tundra swans spotted at wetlands When 10 beautiful swans surprised veteran birdwatcher Phil Kahler June 16 at Fernhill Wetlands, he didn’t realize they posed a threat to other waterfowl — and even people. Kahler, who has visited Fernhill regularly to observe winged wildlife since ...
July 3, 2013 - Portland Tribune