1 March 2004 Large Numbers of Breeding Egrets and Herons in China
Mauro Fasola, Paolo Galeotti, Nianhua Dai, Yuanhua Dong, Yingmei Zhang
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We counted the heronries at two study areas in China, where important but unknown numbers breed. At Poyang Lake, within a 1,800 km2 area, we found ten heronries with Little Egret (Egretta garzetta), Intermediate Egret (Egretta intermedia), Great White Egret (Ardea alba), Cattle Egret (Bubulcus ibis), Chinese Pond Heron (Ardeola bacchus), and Black-crowned Night Heron (Nycticorax nycticorax), and at Tai Lake we found five heronries within a 4000 km2 area. Heronry size ranged from a few hundred nests to 36,400 nests. Several heronries were located within human settlements, in contrast with the sites used in Europe and in North America, where herons tend to avoid human disturbance. An extrapolation of the mean densities observed at the two study areas, for all the zones of mainland China that are cultivated mostly with rice, provide a first estimate of a total numbers of up to some five million nests of herons and egrets, which is much higher than previously suggested for China.

Mauro Fasola, Paolo Galeotti, Nianhua Dai, Yuanhua Dong, and Yingmei Zhang "Large Numbers of Breeding Egrets and Herons in China," Waterbirds 27(1), 126-128, (1 March 2004). https://doi.org/10.1675/1524-4695(2004)027[0126:LNOBEA]2.0.CO;2
Received: 10 November 2002; Accepted: 1 September 2003; Published: 1 March 2004
Black-crowned Night Heron
breeding numbers
Cattle Egret
Chinese Pond Heron
Great White Egret
Intermediate Egret
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