Using the method such as sample line method

sample point method

infrared camera trap method to investigate and monitor the bird’s fault in Henan province area high voltage transmission line from January2013 to February 2015

and the relevant information of bird fault in the area between 2003 and 2013 has been studied

and the occurrence of bird fault is confirmed to 64 times. The study shows that the occurrence of bird fault has significant regional characteristics

which occurred in the central and western regions of the53 times

accounting for 82.8%; the eastern part of the total occurred 11 times

accounting for 17.2%.Involving harm bird biological learning and environment has been carried on the thorough analysis

according to the weight of selected bird area grade 7 key influence factors. On the basis of related bird fault characteristics

involving bird fault is divided into the bird’s nest

bird guano

bird short circuit

unfirm closing 4 kinds. According to the degree of risk

the level of the fault is divided into 4 levels

and the fault area and the grade distribution map are drawn.