The bird zones on the Birdsong Map, each include twenty birds.
For example, zone one includes
birds numbered 1 - 20.
141 - Zach Weihrauch
142 - Ron White
143 - Bethy Yoerger
144 - Megan Zhao
145 - Matteo Chiarelli
146 - Lauren Chiarelli
147 - Jane Darden-Kral
148 - Napsugar Revesz
149 - Heidi Muller
150 - Heidi Muller
