The birds dig small nesting tunnels in steep banks or cliffs with a nest chamber at the end. (sciencedaily.com)
The newly discovered exposure of ice on steep banks suggests that the Red Planet's ice sheets are buried by just a meter or two of soil, researchers report in Science January 12. (sciencenews.org)
Bamboo can be cultivated with little to no fertilizer, pesticides, heavy harvesting machinery or irrigation, and bamboo root systems can protect steep banks from erosion. (scientificamerican.com)