Figure 1. Choose a population density.

Figure 2. Choose a vegetation density.

Figure 3. Choose vagility and a mark color.

Figure 4. Begin marking the animals.

Figure 5. Next, hit the recapture button and recapture your beasts.

Figure 6. Finally, calculate your results.

Figure 7. The dark green marks WILL be difficult to see (that's the point).

Figure 8. The live simulation.