Where a naturalist’s photo aims for scientific clarity (showing the spots on a wing or the shape of a hoof), an artist’s photo aims for emotional resonance. The difference lies in the shadows, the negative space, the dust mote illuminated in a golden beam of sunset. It is the difference between a mugshot and a portrait.

Depending on your intent, here are the relevant links and descriptions: 1. The Art of Zoo Movement & Education

Converting a wildlife image to black and white removes the distraction of color and forces the viewer to look at tone, contrast, and texture. The rough bark of an ancient tortoise or the stripes of a tiger become abstract patterns of light and dark.