Lesson 4, 4-1 to 4-4

Courtesy of Rob Knourek.

Courtesy of Lara Mostert, www.monkeyland.co.za, www.saasa.org.za, www.birdsofeden.co.za, www.jukani.co.za.

Courtesy of Jonathan C. Kramer.

Courtesy of Maren Boudra.