Ebirah766 9 Jan 2019 Do they ever clean the rocks, or do the birds just make a huge amount of poop that is too much to clean up?
Do they ever clean the rocks, or do the birds just make a huge amount of poop that is too much to clean up?
TinoPup 10 Jan 2019 @Ebirah766 They're definitely some of the dirtiest rocks I've ever seen, along with the Inca Tern walls on the perimeter.
@Ebirah766 They're definitely some of the dirtiest rocks I've ever seen, along with the Inca Tern walls on the perimeter.
Simon Hampel 15 Jan 2019 Guano - Wikipedia ... people have been mining this stuff for phosphates and ammonium nitrate for centuries!
Guano - Wikipedia ... people have been mining this stuff for phosphates and ammonium nitrate for centuries!
