Gimbal or Fluid Tripod Head?

While I look at this from the perspective of the wildlife photographer, the comparison could be helpful to anyone thinking about a purchase or upgrade


Manfrotto 502AH
https://bhpho.to/44mv4Pd

Promedia Gear Katana Jr.
https://promediagear.com/products/gkj...

Robus 5888-3 (3 section, 58", 55lb load)
https://bhpho.to/40I8RZU

Robus RC-8880 (4 section, 80", 77lb load)
https://bhpho.to/40I8RZU

0:00 Intro
1:00 Gear Review
2:00 Gimbal
5:30 Fluid Head
6:00 Manfrotto to Arca conversion
10:00 Leveling base
12:45 Differences of Style
22:00 Who is each for?