A7III and 100-400 GM - how did it come to this? — NaturePhocus

Depending on what you do and if you get paid for it there are a number of camera combinations that people think of as apropos for that genre. For amateur/enthusiast nature photographers it is often the medium resolution but reasonably fast midrange camera and a 100-400 lens.

Sony A7RIV and FE 200-600…on to the next level — NaturePhocus

Canon EOS R5 and R6 - Are these cameras for nature photographers too? — NaturePhocus

Focus trouble with Sony 100mm-400mm on Sony A7iii: Sony Alpha Full Frame E-mount Talk Forum: Digital Photography Review

Sony 100-400mm F4.5-5.6 OSS GM

A7III and 100-400 GM - how did it come to this? — NaturePhocus

Sony 100-400mm F4.5-5.6 OSS GM

A7iii sigma 100-400 at 400mm 1/2000 f9 iso 2500 : r/SonyAlpha

A7III and 100-400 GM - how did it come to this? — NaturePhocus

OM-1 Pro-Capture & Bird AI with 100-400mm @227mm, f6 1/4000: Micro Four Thirds Talk Forum: Digital Photography Review

Canon EOS R5 vs Sony A7RIV — NaturePhocus

Sony 100-400mm F4.5-5.6 OSS GM