Through this study, we aimed to record the behavior and reproductive success of the reintroduced crested ibis, and compare reproductive parameters between the released population and the wild population in Yangxian County as reported by Yu et al.
We conducted a three-year study (from 2014 to 2016) of the breeding ecology of released crested ibis at the Dongzhai National Nature Reserve covering an area of 468 km2.
Captive breeding provided an adequate number of crested ibis for release.
3% of the body weight of a crested ibis, or satellite transmitters weighing 30 g, accounting for approximately 1.
We observed and recorded the reproductive behavior of crested ibis with the aid of a spotting scope (GEOMA 65A 20-60 x 60mm), binoculars (SICONG 10x42mm) and cameras during three breeding seasons from February to June in the years 2014 to 2016.
To determine how the effects of different factors influencing the crested ibis habitat selection, principal component analysis (PCA) was employed.
The eigenvectors of the crested ibis nest-site selection.