[Tweeters] Northern Shoveler vortex/Henderson, Nevada

Hank Karen karenhank at yahoo.com
Sun Nov 3 18:03:24 PST 2013

Video of Northern Shovelers circling and creating a vortex in the water thereby drawing up food matter from the bottom.
If Karen and I have seen this behavior before, we certainly didn't recognize the purpose.
Hank Heiberg
Lake Joy
Carnation, WA

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