Images licensed under Creative Commons

Below are high-resolution images of photos that I have used under the Creative Commons license, and detailed information about each work.

Mallards in Castle Park, by postman.peter (CC BY 2.0). Click image for details.
Mallards Anas platyrhynchos in Castle Park, by Flickr user postman.peter. Licensed under the CC BY 2.0. Source: Flickr. Used at the peer-reviewed research page.
 
 

Little rush warbler by Alan Manson (CC BY-SA 2.0). Click image for details. Little rush warbler Bradypterus baboecala Cedara Farm, Pietermaritzburg, South Africa, by Alan Manson. Licensed under the CC BY-SA 2.0. Source: Flickr. Used at the peer-reviewed research page.