BBC News - Brown bears return to Chernobyl after a century away - http://www.bbc.com/news...
"Scientists have captured what is believed to be the first photographic evidence of brown bears within the Chernobyl Exclusion Zone (CEZ)." - Maitani
"Camera traps, used by a project assessing radioactive exposure impacts on wildlife, recorded the images. Brown bears had not been seen in the area for more than a century, although there had been signs of their presence." - Maitani