If you felt comfortable doing so, you could write the post in two languages, Spanish and English, perhaps. I especially like the way this person does it, putting them side-by-side:

https://steemit.com/birding/@ecoinstante/observations-on-the-tolima-dove-i-leptotila-conoveri-i-and-yellow-headed-brushfinch-iatlapetes-flaviceps-i-at-finca-buena-vista

I could show you how to do that, if you ever wanted to try it.