Pelicans can sometimes be seen forming a line, as above, or a u shape......
they aren't just swimming around, enjoying the sunshine, they are working hard for their food!
This is how they surround the fish and round them up for the kill, and it is by cooperating together that they have success. They also drive the fish into shallow waters by beating their wings on the surface. Then when the fish are congregated in the shallow waters, they scoop them up in their large spacious bills.
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