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  2. Environmental monitoring - Wikipedia

    en.wikipedia.org/wiki/Environmental_monitoring

    Environmental monitoring is the processes and activities that are done to characterize and describe the state of the environment. It is used in the preparation of environmental impact assessments, and in many circumstances in which human activities may cause harmful effects on the natural environment.

  3. Bird of prey - Wikipedia

    en.wikipedia.org/wiki/Bird_of_prey

    Birds of prey or predatory birds, also known as (although not the same as) raptors, are hypercarnivorous bird species that actively hunt and feed on other vertebrates (mainly mammals, reptiles and smaller birds).