The site logo was adapted from a drawing tutorial, original credits follow:
Author: Lena London This drawing tutorial is a derivative work (Drawing copy of graphics work).
Original image credit: Cuckoo drawing by Pearson Scott Foresman
License: Some rights reserved. This work is licensed under a Creative Commons Attribution-Share Alike 4.0 License. You are free to share or adapt it for any purpose, even commercially under the following terms: you must give a link to this page and provide a link to the license.