EOS 7D with 100-400 Bird Photos

All the below photos were shot with a Canon EOS 7D, in Massachusetts, within the past month or so. I don't add anything that wasn't there, or remove anything that was, from any of my photographs. Feel free to ask any questions on methods, equipment, or settings.

Pine Warblers

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Osprey

4.

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Northern Rough-winged Swallows

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Brown-headed Cowbird

9.

Hooded Merganser

10.

Palm Warblers

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Mallard

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