It's an excellent camera. It isn't as good as my R5 for BIF - very few can compete with the R5 - but in reasonable light it outresolves it with the same lens. That reminds me, I was going to post you about your need for a single lens to cope with both birds and large animals on safari without changing a TC. You might want to consider the R7 for safari with the RF 100-500mm. In practice, the bare lens on the R7 has nearly the reach of the lens + 2xTC at 1000mm on the R5, and zoomed out has the fov of a 160mm on FF. It may just complement your R5 better than a 2nd R5.
Nice suggestion Alan, but the problem for me (apart from the expense, and fumbling with 2 different control layouts) is that I'd be extremely reluctant to switch lenses between bodies on safari, due to the very dusty conditions, and the likelihood that I'd need to switch while the vehicle was bumping around on rough tracks (I can't afford exclusive use of a safari vehicle, and can't expect others in the group to stop and wait every time I want to swap lenses).
On safaris, I shoot animals and birds roughly 50/50, so the only real answer (as you suggested previously) is to have 2 bodies and 2 lenses, which would avoid any lens-swapping in the field. As indicated in my reply to
@Exploreshootshare, I really need 2 bodies with identical controls, so I'll almost certainly wait until the R5 price drops further, and get another one - RF100-500mm on one, RF100-400mm on the other.
For most of the summer I'll be in Europe, concentrating on insects, flowers and landscapes - my next safari (Kruger) is in October, so there's plenty of time for the R5 price to drop before I go. Meanwhile, I'm holding on to my 5DMkiv (with EF100mm macro and T/S-E 24mm) as emergency backups in the unlikely event that my R5 breaks.