Digiscoping with an iPhone vs SLR

I digiscoped the following photos using both my Nikon D40 and my iPhone 4s with my Swarovski Scope.  Can you tell which ones are the iPhone 4s and which ones are the Nikon D40 photos? 1. Green-winged Teal

2. Northern Pintail

3. Red-eared Slider and Gadwall

4. Red-eared Slider and Gadwall