Abstract
This data set was aimed at monitoring the effects of climate change on forest bird breeding. The data were collected in forests of Chichibu (Saitama Pref.) and Shiga (Nagano Pref.), central Japan in 2011 and 2012. We currently know of no other data sets of forest bird song data that have been continuously collected during a breeding season, and we expect that this data set will provide useful basic information for various bird studies. Data were collected between March 1 to June 24 in 2011, and between April 1 to June 30 in 2012, for a total of 199 days during the two study periods. Bird songs were recorded for 90 minutes per day, and were identified to species. Several descriptive analyses to describe the pattern and frequency of bird songs of each species at different temporal scales are presented in Figures 1 through 3.Data download:http://www.bird-research.jp/appendix/br08/08r01.html
