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This U.S. Geological Survey Data Release contains the data and metadata associated with the journal article. Parental incubation behavior largely influences nest survival, a critical demographic process in avian population dynamics, and behaviors vary across species with different life history breeding strategies. Although research has identified nest survival advantages of mixing colonies, behavioral mechanisms that might explain these effects is largely lacking. We examined parental incubation behavior using video-monitoring techniques on Alcatraz Island, California, of black-crowned night-heron Nycticorax nycticorax (hereinafter, night-heron) in a mixed-species colony with California gulls Larus californicus...
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We conducted a multi-year study (2010–2012) to investigate diel patterns of specific incubation behaviors of nesting black-crowned night-herons Nycticorax nycticorax (hereinafter night-herons) on Alcatraz Island, California. This dataset includes hourly percentages of specific incubation behaviors (i.e. inactivity, vigilance, preening, and nest maintenance) from ~230 video-monitored nest days across 83 nests (18 in 2010, 30 in 2011, and 35 in 2012).


map background search result map search result map The Effects of Heterospecifics and Climatic Conditions on Incubation Behavior within a Mixed-Species Colony Black-crowned Night-Heron Incubation Time Budget Data from Alcatraz Island, 2010-2012 The Effects of Heterospecifics and Climatic Conditions on Incubation Behavior within a Mixed-Species Colony Black-crowned Night-Heron Incubation Time Budget Data from Alcatraz Island, 2010-2012