Is this the same toad?

Is this the same toad?

Observation - Is this the same toad?. Description: I have put on our resident toad to show how quickly the skin tones change over time after adding comments to the amphibians forum where this issue is under discussion. It was dark Tan 28/06/11 image 4 and a bit blurred as i was still trying to make the ca

I have put on our resident toad to show how quickly the skin tones change over time after adding comments to the amphibians forum where this issue is under discussion. It was dark Tan 28/06/11 image 4 and a bit blurred as i was still trying to make the camera focus in the dark then light brown with markings 31/07/11 image 1 and then light brown with slightly darker markings on 01/09/11 images 2 and 3.
All the pictures were taken within 2M of each other. We think it is living under a domesticated sage bush.