Watch the full-length episode at http://video.pbs.org/video/2365519854/?Utm_source=youtube&utm_medium=pbsofficial&utm_campaign=firp_covefullprogram (US Only) http://pbs.org/firstpeoples
FIRST PEOPLES premieres Wednesdays, June 24-July 1, 9:00-11:00 p.m. ET and July 8, 9:00-10:00 p.m. ET on PBS.
Witness the dangers of genetic isolation exemplified by the duck-billed platypus.
Contributor = Josh Griffiths, environmental biologist
