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Kelly, J. P. 1993. Coastal freshwater marsh winter bird population study: 1992. Journal of Field Ornithology 64(1) Suppl.:22.
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Kelly, J. P. 1992. Coastal freshwater marsh winter bird population study: 1991. Journal of Field Ornithology 63(1) Suppl.:22.
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Kelly, J. P. 1992. Coastal freshwater marsh breeding bird census: 1991. Journal of Field Ornithology 63(1) Suppl.:95.
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Information available in the ornithological literature about breeding biology of the Great Blue Heron (Ardea herodius) and the Common Egret (Casmerodius albus) is fragmentary at best. Breeding behavior preceding and during pair formation of the Great Blue Heron has been described by Bent (1926), Cottrille and Cottrille (1958), and Meyerriecks (1960). Miller (1943) comments on some aspects of breeding biology of the Great Blue Heron in the Philadelphia region but his data suffer from lack of quantification.
Pratt, H. M. 1970. Breeding biology of Great Blue Herons and Common Egrets in Central California. Condor 72: 407-416.
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Kelly, J. P. 1994. Coastal freshwater marsh winter bird population study: 1993. Journal of Field Ornithology 65(2) Suppl.:28.
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Kelly, J. P. 2006. Snowy Egret, Garza Nivea (Egretta thula): waterbird species account, Coastal California Region, (Draft) California Waterbird Conservation Plan.