These are very nice shots, I'm not sure what lens you were using, hence don't know what capabilities you had at hands, but you shot in aperture priority at 100mm, aperture f/5.6, I would have probably opened the apertured quite a bit more to isolate the subject from the background.
Just my own opinion, other than that, I like them
Bernard
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I measure my success in life not by my awards, but by the amount of smiles, hugs and kisses I get from my family on a daily basis !