2018 HMANA Detroit, MI Presentation: The Raptor Population Index: 2016 North American Update.  D.Oleyar, L.Goodrich, T.Crewe, D. Brandes, J.Brown, S. Hoffman, J.Sodergren, and J.Ferreyra.

2017 RRF Salt Lake City, UT Poster: The Raptor Population Index 2016 Update.  D.Oleyar, L.Goodrich, T.Crewe, D. Brandes, J.Brown,,and S. Hoffman.

2016 RRF Cape May, NJ Presentation: The Raptor Population Index (RPI): Ten Years post-State of North American Birds of Prey Update.  D.Oleyar, T.Crewe, D. Brandes, L.Goodrich, and S.Hoffman.

2015 RRF California Presentation: The Raptor Population Index: Recent Trends in North American Migratory Raptors. D. Brandes.

2014 RRF Corpus Christi, TX Presentation: The Raptor Populaton Index-2013 Summary of Results.  D. Brandes, L.Goodrich, S.Hoffman, D. Oleyar.