Past research, however, suggests that observers on aerial surveys may fail to detect all individuals of the target species present in the survey area. Such errors could bias population estimates ...

CANFIELD — The Mill Creek MetroParks carried out another aerial deer survey on Thursday in its ongoing deer-reduction program, said Nick Derico, natural resources manager for the MetroParks.

according to the results of an aerial survey released on Wednesday by the Environmental Defense Fund. The study underscores concern among researchers and environmentalists that the petroleum ...

in India. The company specializes in the design of unmanned aerial vehicles used as aerial targets. Kadet Defence Systems decided to partner with Embention, leading supplier in target drone autopilots ...