| Batshit |
| Bat crap |
| Bat poop |
| Bird dung |
| Fertilizer |
| Nauru export |
| A fertilizer |
| Bat droppings |
| It's total crap |
| Rich fertilizer |
| Batty fertilizer |
| Bat cave deposit |
| Organic fertilizer |
| Natural fertilizer |
| A fertilizer source |
| Fertilizer from bats |
| Manure from sea birds |
| Eco-friendly fertilizer |
| Fertilizer made by bats |
| Natural fertilizer source |
| Fertilizer derived from sea birds |
| Seabird excrement, once prized as fertiliser |
| Fertiliser (either from bird droppings or artificial) |