Free images results:

Marsh pictures, stock photos and images


Egret Royalty Free Stock Photos
Author: Tjbel05
White Bird Royalty Free Stock Photo
Author: Joseph
Swan chick Stock Image
Author: Mkoh
White Bird Stock Images
Author: Joseph
Dragonfly Stock Photo
Author: Optox
Cattails Royalty Free Stock Photos
Author: Pam7

Also, here are some commercial RF-licensed images that match your search criteria:  
Marsh Stock Images
Author: Opra2010

Explore more commercial options: More Marsh Stock Illustrations & Vectors | More Marsh Stock Video Footage