Composition

The Compositions and transitions are very very good. The choices of instruments are not extravagant but they bring the jungle colors, you might say.

The clicking from the drum set is a bit high, or perhaps too sharp, you might look into having a subtle reverb put on the drums to prevent it from being too "sharp" ,but you don't want too much damping or diffusion( if these nobs are available ) because you want to keep the element drums make a song feel.

With that on note, there could be a few Mastering things done. I'll leave you to discover those things someday simply because, well, there's endless things you can do with proper, professional and experimental mastering.

Not bad

The melodies playing in layers over eachother sound good, well done. :)
The beat sounds a bit simple, but I don't really mind it much.
The disposition works well, good job. Not a bad track! :D
Keep it up!