By Michael Shulman, CTV News Ottawa, June 15, 2015

They're the fastest member of the animal kingdom, but experts say the peregrine
falcon's fight to claw back from the brink of extinction isn’t progressing fast
enough. The bird of prey became an endangered species in the 1960s in many areas
across the world because of the widespread use of certain pesticides, especially
DDT. via
Peregrine falcon populations on the road to recovery, but still face barriers
| CTV News.