"Bioboffin" replied:

Although this may well be broadly helpful, sadly you need a bit more
knowledge (and happily a lot more practice) to be certain.

:-)
---
So what do I do John? Risk buying a few bottles with plants, animals or
birds on the labels, open one or two and find too late that they are indeed
naff. Or live in hope that friends might just have bottles with natural
history subjects on the labels. Decisions, decisions!

Mike (Hic.) CT