This very aggressive common grackle spent a lot of time attacking doves that were nesting
in a palm tree next to our vacation house. Photo taken April 22, 2015, at Vilano Beach, Fla. Nikon D7100. Sigma 70-300mm F4-5.6. f/8. 1/500th sec. ISO 400. 300mm (DX 450mm). +1 EV. Click on image to enlarge.