Look at your pictures at 100% and 200% and search for artefacts an out of focus elements.
too small to examine, but I would guess out of focus of the blossom.
No details and washed out colours. Also, around the roof of the house is kind of a halo.
out of focus. The whole chameleon is out of focus.
bad photoshopping, out of focus, noise on the feathers.
The tree is in focus, the apes are out of focus and have washed out colours.