New answers tagged


That looks like a knob-billed duck. Their range includes Sub-Saharan Africa, India, and Southeast Asia. Picture source


A quick google reveals several databases of bird habitats, which appear to be at least somewhat more recent. I believe that the one closest to what you describe is here (there may not be a single publication but they do have a lot of associated publications on their site). But this climate change geospatial database (with a newer version here) and this more ...


Four winged insect's ancestors were lucky because they had the sky all to themselves for perhaps 50 million years, giving them valuable time to develop more complex wings which can compete with simpler forms of flight. The first terrestrial insects came 380 million years ago, and the first dragonflies are from 300 million years ago. The high oxygen at the ...

Top 50 recent answers are included