"Interestingly, the walls of the kites are not high enough to actually block the animals. Rather, they just seem to channel herds in the right direction. Modern wildlife managers in the same region have used a similar approach by laying pipes on the ground to direct gazelles into a corral, Avner reports."
https://www.megalithic.co.uk/article.php?sid=2146412866&mode...
"Interestingly, the walls of the kites are not high enough to actually block the animals. Rather, they just seem to channel herds in the right direction. Modern wildlife managers in the same region have used a similar approach by laying pipes on the ground to direct gazelles into a corral, Avner reports."