Urban crow roost

In Ottawa city, thousands of crows fly in to roost every winters night.  Birds do this as cities are slightly warmer than the surrounding countryside and therefore they conserve vital energy, energy required to survive. Crows are intelligent and highly social, two traits that enable them to compete successfully .

 

Check out Wildshots other crow images

Murder of crows by the Rideau river, prior to roosting

 

 

Roosting crows are safe for the night in trees

 

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