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/gkjr-katana-pro-gimbal-tripod-head?_pos=1&_sid=21398505d&_ss=r 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?