In 1965, a couple began counting pigeons in Queensland. Three years later, numbers fell from 4,692 to 1,451, beginning a 60-year conservation story

In 1965, a couple began counting pigeons in Queensland. Three years later, numbers fell from 4,692 to 1,451, beginning a 60-year conservation story
Read more at the source

Disclaimer: The content of this post is sourced from external sites and is for informational purposes only. All rights and credits belong to the original authors and publishers.