Avian botulism has been detected at California's resurgent Tulare Lake, raising concerns about potential die-offs during fall bird migrations.
Wildlife authorities have detected avian botulism at California's resurgent Tulare Lake, raising concerns about potential die-offs during fall bird migrations.
Tulare Lake was once the largest freshwater lake west of the Mississippi River, fed by spring snowmelt from the Sierra Nevada. But the lake eventually vanished as settlers dammed and diverted water for agriculture, turning the lakebed into farmland.The lake reappeared this year after California was hit by an extraordinary series of atmospheric rivers and by May water covered more than 160 square miles .
With millions of waterfowl, shorebirds and other species expected to be drawn to Tulare Lake during migrations, the Department of Fish and Wildlife said it began air, ground and water surveys to look for avian botulism due to stagnant and warming water conditions.
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