... A summary of estimated osprey pairs nesting in each state was prepared FL, MD, NJ, NY, OH, SC 196426 26 Wiemeyer et al., 1980CT, MA, NJ, NY, WI 196925 Spitzer et al., 1977CT, NY 196968 Spitzer et al., 1978NJ 1970-197414 Wiemeyer et al., 1978FL 19723 Szaro 1978ID 197211 Johnson et al., 1975WY 19724 Swenson 1979MA, MD, VA 1973-198725 Audet et al., 1992FL 1974-19752 4 Sundlof et al., 1986IA, MA, MD, NC, NJ SC, VA, WI 197522 Wiemeyer et al., 1987CA 1977-198415 Littrell 1986MI 1980-198925 Ewins et al., 1999ID, OR, WA 1981-198612 Henny and Anthony 1989NJ 198917 Clark et al., 200113 Henny et al., 2003NC 199512 Augspurger et al., 1996WI 199235 Karasov & Meyer 2000WI 199235 Woodford et al., 1998OR, WA 19956 Elliott et al., 1998OR, WA 19916 Elliott et al., 2000OR, WA 199514 Elliott et al., 2001bOR, WA 1997 for 1981 (Henny, 1983) and again for 1994 (Houghton & Ryman, 1997). More recent surveys showed dramatic increases in nesting numbers of ospreys for both North America and Europe (Henny et al., 1991(Henny et al., , 2008cHenny & Kaiser, 1996;Meyberg et al., 1996;Ewins, 1997;Saurola, 1997;Henny & Anderson, 2004;Watts et al., 2004;Nygård et al., 2006;Saurola, 2005;Zachos & Schmölcke, 2006). Increases in nesting numbers now appear to be limited only by nest site availability, food resources, and perhaps exposure to contaminants in heavily polluted areas. ...