Although the number of grounded birds does not seem alarming, the team considers it a priority to make efforts to reduce levels of light pollution to the lowest possible. (sciencedaily.com)
Different types let through different levels of light and reflect it in different ways and as a result, each one reveals a unique fingerprint. (sciencedaily.com)
While the snaps we took absorbed decent levels of light, images showed a considerable amount of noise. (t3.com)