I went through this some months back, and having come from film 35mm and lenses from years ago ended up going with a bridge/crossover style camera ... Nikon P900 f2.8 24-2000mm. It's a fixed lens camera, but with its zoom capability who needs to lug around a multitude of lenses with the associated extra weight ?
It may not be everyone's cup of tea, but it fits my bill nicely, allowing me to get up on subjects that you just couldn't get close enough to to take a decent shot.
Was around $700 online. Takes great photos, I've only scratched the surface of its capabilities, but it is a bit weighty and large .... But so is a 2000mm telephoto lens ! 
Has all the features you'd find on a dedicated DSLR except the lens is not removable. Best of both worlds IMHO.
Kev..
Going ... going ... almost gone ... GONE !! ... 2004 D2a Td5 Auto "Classic Country" Vienna Green
2014 MUX LST with fruit
2015 Kimberley Kamper "Classic"
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