Suggestions On IR Cameras In Caves?

Somebody has experience or suggestions regarding real-time observation of bats (in two caves)?

Caves to be fitted with several infrared (IP) cameras and IR illuminators, most of them in full darkness 24hrs.

The requirements are

  1. Video images to appear fluid and sharp
  2. Distance camera - bats is between 1.5 to a maximum of 10 meters in cave 1 and up to 100 meters at cave2
  3. The desired resolution would be a minimum of 2K / 1080p, optional 4K UHD or less.
  4. The frame rate should be at least 30 fps, if possible up to 120 fps.
  5. Zoom range between 10x and >25x in cave2**
  6. The following specifications are also desirable: ePTZ / vPTZ (because of the simultaneous availability of cameras on multiple monitors); true day / night; ONVIF conformance profiles S; Network port; Microphone Input

** There were until recently cameras with the following specifications in use: Raymax IR 30x (10 - 300mm F2.8) - RHM30Z1028GA-IR. A change to IP is wanted.

Any recommendations for camera types, which I could use for this purpose?
Appriciate your help!
Reinhard

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Cave1 proposed layout of camera positions

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