Birds with brightly-coloured feathers under their wings may have developed them to avoid mid-air collisions, experts believe. Researchers compared the underwing colours of 1,780 species and found that larger birds, as well as those that flocked together in big colonies, were most likely to have colourful, contrasting feathers. The researchers think this is because larger […]
Tag: collision avoidance
Roe (and other deer) Hazards
People, cars, and deer—put them together and you’ve got trouble. A rapidly urbanizing planet is transforming wild lands into habitat for humanity, and the non-human species living in these previously undeveloped areas must either adapt to the new landscape, find someplace else to live (not an easy task), or be erased from the biological census. […]