Peer review, effective and timely, is the basis of respect in today’s scientific publishing and is essential to the maintenance of high standards in any journal. The efforts of reviewers are critical, yet unpaid. Therefore, we at the American Ornithological Society and Ornithology thank all of you who contributed reviews while Volume 139 was in preparation (reviews completed between July 2021 and June 2022). Individuals with asterisks next to their names reviewed two or more manuscripts. Ornithology is also grateful for the work of our two dedicated Senior Editors; our outstanding board of associate editors; the editors of In Memoriam, Book Reviews, and 100 Years Ago; and the expert editorial team members in the AOS Publications Office whose work made another successful year of Ornithology possible. We invite all of our authors, referees, and society members, and ornithologists around the world to continue supporting and publishing basic and broadly applicable...