I forgot to say this earlier, but... Beautiful photos!!My favorite on-water boat or wading camera for years was a Nikon Coolpix P7100 that fit in a small velcro belt pouch. It took great fill-flash stills and video and was easy to pull out and operate with one hand for those action shots. I lost it when a "guide" knocked me off the bow of a skiff with his push pole while bonefishing. Saltwater and non-protected camera gear don't mix well...
Now I use an Iphone 10 which is fairly waterproof for hold and grins, close video, landscapes and shallow underwater shots. Fits in a zippered pocket or in a holster. You can also do some quick inphone editing to play around with color, cropping etc on the spot. Not as good as a 28-70 mm lens but much easier to carry and produces surprisingly good images. I have been toting one of my wildlife rigs on select occasions, a Nikon D810 or D500 with a Nikon 200-500mm lens, in a modified Simms waterproof roll-top dry pack backpack. You never know when some of the local wildlife might appear as you are afield. I always pack along a couple of rain shield cover bags and a backup trash bag just in case of foul weather.
This worked pretty good in the Katmai region, Alaska
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Nikon D500 w/ 200-500mm
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Nikon D500 w/200-500mm in a steady rain
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American Pipit on sockeye carcass. D500 w/200-500mm
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Sockeye on the Kulik River. Iphone 10
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Silver salmon on the Kamishak River. Iphone 10