owl
---
http://www.pd4pic.com/owl-animal-comic-bird-eyes-brown-cute.html
License: Public Domain CC0
https://creativecommons.org/publicdomain/zero/1.0/

tux
---

http://www.pd4pic.com/penguin-animal-bird-tux.html
License: Public Domain CC0
https://creativecommons.org/publicdomain/zero/1.0/