Sentences with phrase «bird numbers required»
Adequate assessment of bird numbers required knowledge of their vocalizations, repeated visits to study areas early in the morning when birds were most active, and lots of statistical modeling.
https://www.sciencedaily.com/ Not exact matches
Energy company BP faces civil penalties based in part on the number of birds and other wildlife lost in the spill, therefore the mortality estimates could influence the amount the company will be required to pay.
The U.S. federal Animal Welfare Act does not require laboratories to publish the numbers of rats, mice, and birds they use.