Browsing by Author "Henny, Charles J."
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Osprey Distribution, Abundance, and Status in Western North America: III. The Baja California and Gulf of California Population
Henny, Charles J.; Anderson, Daniel W.An estimated 810 ± 55 pairs (minimum estimate) of ospreys (Pandion haliaetus) were nesting in the study area during our survey (24 March-1 April 1977). Approximately 174 pairs nested along the Pacific side of Baja California, ... -
Status of Nesting Ospreys in Coastal Baja California, Sonora and Sinaloa, Mexico, 1977 and 1992-1993.
Henny, Charles J.; Anderson, Daniel W.We used a double-sampling technique (air + ground surveys), with partial double coverage and an additional adjustment for lack of nesting synchrony in southern latitudes, to estimate the size of the osprey (Pandion haliaetus) ... -
Status of Nesting Ospreys in Coastal Baja California, Sonora and Sinaloa, Mexico, 1977 and 1992-1993.
Henny, Charles J.; Anderson, Daniel W.We used a double-sampling technique (air + ground surveys), with <br /><br />partial double coverage and an additional adjustment for lack of nesting synchrony <br /><br />in southern latitudes, to estimate the size of the ...