Hard bites and slow songs: How beak size affects the singing and evolution of songbirds
The Java sparrow is ready for the video recording. As I hold it carefully in my hand in order to transfer it to the recording ...
natural18 小时
Mapped: How ‘natural’ world heritage sites are threatened by climate extremes
“ Tropical regions are home to rich biodiversity and diverse ecosystems, including vital natural land types such as forests. There is a more consistent consensus that temperature increases in tropical ...