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1 June 2009 Do the Height and Location of Black-Crowned Night Heron (Nycticorax nycticorax) Nests Affect Egg Production and Breeding Success?
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Abstract

Changes in clutch size and fledging success associated with the height and distance from shore of nests were investigated in a colony of Black-crowned Night Heron at Poyrazlar Lake, Turkey. A total of 100 nests in five plots were surveyed in 2007. Nest height varied between 45–300 cm, with a tendency to be lower further from shore. Clutch size appeared independent of nest location and variable, with 37% of nests with two eggs, 32% with three eggs, 22% with four eggs and 9% with five eggs. Fledging success was approximately 67% for plot 1, nearest to shore, but increased up to 94% for plot 5, furthest from shore.

Ali Uzun "Do the Height and Location of Black-Crowned Night Heron (Nycticorax nycticorax) Nests Affect Egg Production and Breeding Success?," Waterbirds 32(2), 357-359, (1 June 2009). https://doi.org/10.1675/063.032.0217
Received: 1 September 2007; Accepted: 1 April 2009; Published: 1 June 2009
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