Submission deadline extended: All proposals for symposia must be received by 22 January 2022.  We seek a varied suite of proposals for roundtable discussions at the 2022 joint conference of the American Ornithological Society and BirdsCaribbean, with local hosts Para la Naturaleza and Sociedad Ornitológica Puertorriqueña, to be held in San Juan, Puerto Rico, 27 June–2 …