28705_1.jpg:
Photographer/User: Natuur12
License: CC BY 2.0
License URL: https://creativecommons.org/licenses/by/2.0
Credit: <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/dhobern/16851462740/">Fulica atra</a>

28705_2.jpg:
Photographer/User: Biopics
License: CC BY-SA 4.0
License URL: https://creativecommons.org/licenses/by-sa/4.0
Credit: <span class="int-own-work" lang="en">Own work</span>

28705_3.jpg:
Photographer/User: Alpsdake
License: CC BY-SA 3.0
License URL: https://creativecommons.org/licenses/by-sa/3.0
Credit: <span class="int-own-work" lang="en">Own work</span>

28705_4.jpg:
Photographer/User: Llez
License: CC BY-SA 3.0
License URL: https://creativecommons.org/licenses/by-sa/3.0
Credit: <span class="int-own-work" lang="en">Own work</span>

28705_5.jpg:
Photographer/User: Ercé
License: CC BY-SA 4.0
License URL: https://creativecommons.org/licenses/by-sa/4.0
Credit: <span class="int-own-work" lang="en">Own work</span>