Copyright Text: Ballard, G., T Gardali, and D. Humple 2003. PRBO Point Count Methodology. PRBO Conservation Science, Stinson Beach, CA.
Knutson MG, O’Brien L, Sutherland TW, Carlyle KL, Herner-Thogmartin J., Carter L. 2016. National protocol framework for the inventory and monitoring of breeding landbirds using point counts. Version 2.0. Natural Resources Program Center, Fort Collins, CO.
Copyright Text: Ballard, G., T Gardali, and D. Humple 2003. PRBO Point Count Methodology. PRBO Conservation Science, Stinson Beach, CA.
Knutson MG, O’Brien L, Sutherland TW, Carlyle KL, Herner-Thogmartin J., Carter L. 2016. National protocol framework for the inventory and monitoring of breeding landbirds using point counts. Version 2.0. Natural Resources Program Center, Fort Collins, CO.