Submission Deadline Extended: 22 April 2021, at 11:59 p.m. EDT We invite ornithologists to present their work at the 2021 joint virtual meeting of the American Ornithological Society and the Society of Canadian Ornithologists – Société de Ornithologistes du Canada (AOS & SCO-SOC 2021 Virtual Meeting), 9–14 August 2021. The virtual meeting offers a wonderful …