Aaron N. K. Haiman volunteered from a young age with bird research organizations before receiving a BS in Environmental Science from UC Berkeley as well as MS degrees in Avian Science and Animal Behavior from UC Davis. Aaron guides bird walks, mentors high school students in ecology and sustainability, leads a youth bird-a-thon team, and gives presentations on birds and habitat restoration. He works for the State of California and lives in West Sacramento.

Martha Espinoza is a naturalist and scientific illustrator from Costa Rica. Recognized for her meticulous attention to detail, Martha collaborates with publishers internationally, providing illustrations of mammals and birds that capture the essence and behavior of these creatures in their natural environment.