单词 | bird migration |
释义 | bird migration The paths taken by these diminutive aeronauts influence bird migration patterns, especially of swifts and swallows, which eat insects on the wing. Times, Sunday Times Bird migration shows up on radar so well that ornithologists and bird watchers use it to keep tabs on bird movements during nightly spring flights. Retrieved from Wikipedia CC BY-SA 3.0 It had been complicated by the need for a 12-month assessment of the impact of the site on bird migration patterns. Times, Sunday Times The satellite-based devices have led to remarkable insights into bird migration. Times, Sunday Times Bird migration patterns appear to be affected by changes in climate. Times, Sunday Times |
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