[Feeding habitat of red-crowned crane and white-napped crane during their courtship period in Zhalong wetland].
By the methods of fixed-spot observation, GPS positioning, plot sampling measurement and factor analysis, a comparative study was made on the feeding habitat of red-crowned and white-napped crane during their courtship period (from March to April) in Zhalong Nature Reserve in 2003 and 2004. The results showed that red-crowned crane preferred unique habitat for feed, mostly focused on water field (e. g., reed marsh). During its selection of microhabitat, food factor played a crucial role, followed by concealment factor, water factor, and identification factor. The feeding habitat of white-napped crane was of diversification, and dry field, e. g., Carex marsh, farmland and burned field, was the priority. White-napped crane had a strict requirement in selecting feeding microhabitat, with "valid food" factor as the most important ingredient, and disturbance and water factors as the subordinate one.
Zou
Hongfei
H
College of Wildlife Resource, Northeast Forestry University, Harbin 150040, China. hongfeizou@163.com
Wu
Qingming
Q
D000818:Animals; D001717:Birds / Q000502:physiology*; D002681:China; D003380:Courtship; D017753:Ecosystem; D004777:Environment; D005247:Feeding Behavior