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Wintering Behavior of Tundra Swan, Cygnus columbianus, at a Small Water-level Controlled Lake in the Middle and Lower Yangtze River Floodplain

Wintering Behavior of Tundra Swan, Cygnus columbianus, at a Small Water-level Controlled Lake in the Middle and Lower Yangtze River Floodplain

Xinjian Wang1,2, Eryan Yang1,2 and Lizhi Zhou1,2*

1School of Resources and Environmental Engineering, Anhui University, Hefei 230601, P. R. China
2Anhui Province Key Laboratory of Wetland Ecosystem Protection and Restoration, Anhui University, Hefei 230601, P. R. China

*      Corresponding author: zhoulz@ahu.edu.cn

Fig. 1.

The study areas at Huangpi Lake. A, B, the study sites.

Fig. 2.

The wintering Tundra Swan at Huangpi Lake.

Fig. 3.

Daily activity rhythm of wintering Tundra Swan at Huangpi Lake.

Fig. 4.

Activity time budget of wintering Tundra swan and water level at Huangpi Lake.

Fig. 5.

Foraging intensity efficiency of adult and juvenile Tundra swan at different water levels.

Fig. 6.

Foraging efficiency of adult and juvenile Tundra swan at different water levels.

Pakistan Journal of Zoology

June

Vol. 53, Iss. 3, Pages 801-1200

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