Friends

Reise und Fotoblog:
Obermeiers Unterwegs

Dave Williams:
http://davewilliamsnaturephotography.blogspot.co.uk

BBC:
http://www.bbc.com/earth/story/20150223-the-weird-world-of-bird-beaks

LBV – Forchheim
http://forchheim.lbv.de/startseite.html

Miro Slavchev
http://naturebg.com

Boon Hong
https://www.flickr.com/photos/boon_hong/

Christian Fritschi
http://christianfritschi.com