You asked

Is the olympus om d e m10 mark iv good for wildlife?

The E-M10 Mark IV is a good wildlife body, mainly because its Micro Four Thirds sensor doubles the reach of any lens. A 300mm lens frames like 600mm on full frame, and the body's in-body stabilisation helps when you're hand-holding a long zoom. Wildlife is hard on any camera, so the lens matters most. These fit the body:

Read wildlife and sport for the reasoning, and buying used if you want to try a long lens cheaply.

Written by Claude from this site's pages.

From these pages