After the last snafu with the leash, a lot of timelapses finally got made.  It was arguably more stable after the last round of PID calibrating with the rear view glasses.

https://www.youtube.com/@Trissb1988--/videos

The goog finally recommended some videos from a vision guided copter which were suitable for timelapses.  For the 1st time, we could see how good machine vision was.

The mane problem is he doesn't go very straight, but in the limited sections he does go straight, the machine vision looks really impressive.  Who knows if they actively dealt with an oscillation problem or if the stability was a natural result of the copter not having to deal with mechanical steering linkages.  It also locked in the distance measurement.  A ground camera would be dealing with adverse lighting, looking up. 

Also noted with 3 animals, the copter stayed locked on just the 1.  This kind of tracking algorithm has become really basic.  Still suspect it's an animal detector with semantic segmentation & histogram feature extraction to identify different animals by color.  Lions just can't afford $300 for just that.  For the low power vehicle lions are using, the range would be drastically reduced by the computing.  For a copter, the power used in computing is nothing.  There's no way anything but a leash can track for 3 hours.