Answer for the picture 1:

1.Ear of the dog is upwards
2.Tongue of the dog is missing
3.Eyebrow is shorter(Girl)
4.Teeth of the squirrel is missing
5.There are buttons on the shirt of the girl
6.Chocolate is missing from the girl's hand

Answer for the picture 2:

1.Girl's smile is shorter
2.Girl's eyes are bigger
3.'O' is missing from the book
4.Color of the hairband is different
5.One sock is missing
6.One finger is shorter