I agree with Audrey, the highlights are blown out and there is virtually no details in the whites.
#1
- I would have cropped out the the lamps. With a mostly all white scene those lamps are distracting.
- The little pup near mom has his/her bottom pointed towards the camera.
#2
- The two birds really don't do it for me but that's just a matter of personal preference.
- I like the idea of your pose but mom's hand engulfs the babies hand and hides most of her right arm.
#3
- The only thing that bothers me is the dark spot in the background. i would fix this in post processing.
I like where you were going with this set. Good job.