Masters Thesis

Breeding biology of the great blue heron in the San Joaquin River Heronry.

This three year study (1970-1972) was undertaken to document reproductive success in a colony of great blue herons at the San Joaquin River Heronry, Merced County, California. Quantitative data were collected on incubation period, clutch size, hatching dates, fledging success, and nesting mortality. Studies during the 1970 and 1971 nesting season were part of a research program conducted by the California State Department of Pish and Game to document reproductive success in several central California heronries.

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